int sysfs_add_device_to_node(struct device *dev, int nid)
{
struct node *node = &node_devices[nid];
- return sysfs_create_link(&node->sysdev.kobj, &dev->kobj,
+ return sysfs_create_link(&node->dev.kobj, &dev->kobj,
kobject_name(&dev->kobj));
}
EXPORT_SYMBOL_GPL(sysfs_add_device_to_node);
void sysfs_remove_device_from_node(struct device *dev, int nid)
{
struct node *node = &node_devices[nid];
- sysfs_remove_link(&node->sysdev.kobj, kobject_name(&dev->kobj));
+ sysfs_remove_link(&node->dev.kobj, kobject_name(&dev->kobj));
}
EXPORT_SYMBOL_GPL(sysfs_remove_device_from_node);
/*
- * drivers/base/memory.c - basic Memory class support
+ * Memory subsystem support
*
* Written by Matt Tolentino <matthew.e.tolentino@intel.com>
* Dave Hansen <haveblue@us.ibm.com>
* SPARSEMEM should be contained here, or in mm/memory_hotplug.c.
*/
-#include <linux/sysdev.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/topology.h>
return section_nr / sections_per_block;
}
-static struct sysdev_class memory_sysdev_class = {
+static struct bus_type memory_subsys = {
.name = MEMORY_CLASS_NAME,
-};
-
-static const char *memory_uevent_name(struct kset *kset, struct kobject *kobj)
-{
- return MEMORY_CLASS_NAME;
-}
-
-static int memory_uevent(struct kset *kset, struct kobject *obj,
- struct kobj_uevent_env *env)
-{
- int retval = 0;
-
- return retval;
-}
-
-static const struct kset_uevent_ops memory_uevent_ops = {
- .name = memory_uevent_name,
- .uevent = memory_uevent,
+ .dev_name = MEMORY_CLASS_NAME,
};
static BLOCKING_NOTIFIER_HEAD(memory_chain);
{
int error;
- memory->sysdev.cls = &memory_sysdev_class;
- memory->sysdev.id = memory->start_section_nr / sections_per_block;
+ memory->dev.bus = &memory_subsys;
+ memory->dev.id = memory->start_section_nr / sections_per_block;
- error = sysdev_register(&memory->sysdev);
+ error = device_register(&memory->dev);
return error;
}
static void
unregister_memory(struct memory_block *memory)
{
- BUG_ON(memory->sysdev.cls != &memory_sysdev_class);
+ BUG_ON(memory->dev.bus != &memory_subsys);
/* drop the ref. we got in remove_memory_block() */
- kobject_put(&memory->sysdev.kobj);
- sysdev_unregister(&memory->sysdev);
+ kobject_put(&memory->dev.kobj);
+ device_unregister(&memory->dev);
}
unsigned long __weak memory_block_size_bytes(void)
* uses.
*/
-static ssize_t show_mem_start_phys_index(struct sys_device *dev,
- struct sysdev_attribute *attr, char *buf)
+static ssize_t show_mem_start_phys_index(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct memory_block *mem =
- container_of(dev, struct memory_block, sysdev);
+ container_of(dev, struct memory_block, dev);
unsigned long phys_index;
phys_index = mem->start_section_nr / sections_per_block;
return sprintf(buf, "%08lx\n", phys_index);
}
-static ssize_t show_mem_end_phys_index(struct sys_device *dev,
- struct sysdev_attribute *attr, char *buf)
+static ssize_t show_mem_end_phys_index(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct memory_block *mem =
- container_of(dev, struct memory_block, sysdev);
+ container_of(dev, struct memory_block, dev);
unsigned long phys_index;
phys_index = mem->end_section_nr / sections_per_block;
/*
* Show whether the section of memory is likely to be hot-removable
*/
-static ssize_t show_mem_removable(struct sys_device *dev,
- struct sysdev_attribute *attr, char *buf)
+static ssize_t show_mem_removable(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
unsigned long i, pfn;
int ret = 1;
struct memory_block *mem =
- container_of(dev, struct memory_block, sysdev);
+ container_of(dev, struct memory_block, dev);
for (i = 0; i < sections_per_block; i++) {
pfn = section_nr_to_pfn(mem->start_section_nr + i);
/*
* online, offline, going offline, etc.
*/
-static ssize_t show_mem_state(struct sys_device *dev,
- struct sysdev_attribute *attr, char *buf)
+static ssize_t show_mem_state(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct memory_block *mem =
- container_of(dev, struct memory_block, sysdev);
+ container_of(dev, struct memory_block, dev);
ssize_t len = 0;
/*
}
static ssize_t
-store_mem_state(struct sys_device *dev,
- struct sysdev_attribute *attr, const char *buf, size_t count)
+store_mem_state(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t count)
{
struct memory_block *mem;
int ret = -EINVAL;
- mem = container_of(dev, struct memory_block, sysdev);
+ mem = container_of(dev, struct memory_block, dev);
if (!strncmp(buf, "online", min((int)count, 6)))
ret = memory_block_change_state(mem, MEM_ONLINE, MEM_OFFLINE);
* s.t. if I offline all of these sections I can then
* remove the physical device?
*/
-static ssize_t show_phys_device(struct sys_device *dev,
- struct sysdev_attribute *attr, char *buf)
+static ssize_t show_phys_device(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct memory_block *mem =
- container_of(dev, struct memory_block, sysdev);
+ container_of(dev, struct memory_block, dev);
return sprintf(buf, "%d\n", mem->phys_device);
}
-static SYSDEV_ATTR(phys_index, 0444, show_mem_start_phys_index, NULL);
-static SYSDEV_ATTR(end_phys_index, 0444, show_mem_end_phys_index, NULL);
-static SYSDEV_ATTR(state, 0644, show_mem_state, store_mem_state);
-static SYSDEV_ATTR(phys_device, 0444, show_phys_device, NULL);
-static SYSDEV_ATTR(removable, 0444, show_mem_removable, NULL);
+static DEVICE_ATTR(phys_index, 0444, show_mem_start_phys_index, NULL);
+static DEVICE_ATTR(end_phys_index, 0444, show_mem_end_phys_index, NULL);
+static DEVICE_ATTR(state, 0644, show_mem_state, store_mem_state);
+static DEVICE_ATTR(phys_device, 0444, show_phys_device, NULL);
+static DEVICE_ATTR(removable, 0444, show_mem_removable, NULL);
#define mem_create_simple_file(mem, attr_name) \
- sysdev_create_file(&mem->sysdev, &attr_##attr_name)
+ device_create_file(&mem->dev, &dev_attr_##attr_name)
#define mem_remove_simple_file(mem, attr_name) \
- sysdev_remove_file(&mem->sysdev, &attr_##attr_name)
+ device_remove_file(&mem->dev, &dev_attr_##attr_name)
/*
* Block size attribute stuff
*/
static ssize_t
-print_block_size(struct sysdev_class *class, struct sysdev_class_attribute *attr,
+print_block_size(struct device *dev, struct device_attribute *attr,
char *buf)
{
return sprintf(buf, "%lx\n", get_memory_block_size());
}
-static SYSDEV_CLASS_ATTR(block_size_bytes, 0444, print_block_size, NULL);
+static DEVICE_ATTR(block_size_bytes, 0444, print_block_size, NULL);
static int block_size_init(void)
{
- return sysfs_create_file(&memory_sysdev_class.kset.kobj,
- &attr_block_size_bytes.attr);
+ return device_create_file(memory_subsys.dev_root,
+ &dev_attr_block_size_bytes);
}
/*
*/
#ifdef CONFIG_ARCH_MEMORY_PROBE
static ssize_t
-memory_probe_store(struct class *class, struct class_attribute *attr,
+memory_probe_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
u64 phys_addr;
out:
return ret;
}
-static CLASS_ATTR(probe, S_IWUSR, NULL, memory_probe_store);
+static DEVICE_ATTR(probe, S_IWUSR, NULL, memory_probe_store);
static int memory_probe_init(void)
{
- return sysfs_create_file(&memory_sysdev_class.kset.kobj,
- &class_attr_probe.attr);
+ return device_create_file(memory_subsys.dev_root, &dev_attr_probe);
}
#else
static inline int memory_probe_init(void)
/* Soft offline a page */
static ssize_t
-store_soft_offline_page(struct class *class,
- struct class_attribute *attr,
+store_soft_offline_page(struct device *dev,
+ struct device_attribute *attr,
const char *buf, size_t count)
{
int ret;
/* Forcibly offline a page, including killing processes. */
static ssize_t
-store_hard_offline_page(struct class *class,
- struct class_attribute *attr,
+store_hard_offline_page(struct device *dev,
+ struct device_attribute *attr,
const char *buf, size_t count)
{
int ret;
return ret ? ret : count;
}
-static CLASS_ATTR(soft_offline_page, 0644, NULL, store_soft_offline_page);
-static CLASS_ATTR(hard_offline_page, 0644, NULL, store_hard_offline_page);
+static DEVICE_ATTR(soft_offline_page, 0644, NULL, store_soft_offline_page);
+static DEVICE_ATTR(hard_offline_page, 0644, NULL, store_hard_offline_page);
static __init int memory_fail_init(void)
{
int err;
- err = sysfs_create_file(&memory_sysdev_class.kset.kobj,
- &class_attr_soft_offline_page.attr);
+ err = device_create_file(memory_subsys.dev_root,
+ &dev_attr_soft_offline_page);
if (!err)
- err = sysfs_create_file(&memory_sysdev_class.kset.kobj,
- &class_attr_hard_offline_page.attr);
+ err = device_create_file(memory_subsys.dev_root,
+ &dev_attr_hard_offline_page);
return err;
}
#else
return 0;
}
+/*
+ * A reference for the returned object is held and the reference for the
+ * hinted object is released.
+ */
struct memory_block *find_memory_block_hinted(struct mem_section *section,
struct memory_block *hint)
{
- struct kobject *kobj;
- struct sys_device *sysdev;
- struct memory_block *mem;
- char name[sizeof(MEMORY_CLASS_NAME) + 9 + 1];
int block_id = base_memory_block_id(__section_nr(section));
+ struct device *hintdev = hint ? &hint->dev : NULL;
+ struct device *dev;
- kobj = hint ? &hint->sysdev.kobj : NULL;
-
- /*
- * This only works because we know that section == sysdev->id
- * slightly redundant with sysdev_register()
- */
- sprintf(&name[0], "%s%d", MEMORY_CLASS_NAME, block_id);
-
- kobj = kset_find_obj_hinted(&memory_sysdev_class.kset, name, kobj);
- if (!kobj)
+ dev = subsys_find_device_by_id(&memory_subsys, block_id, hintdev);
+ if (hint)
+ put_device(&hint->dev);
+ if (!dev)
return NULL;
-
- sysdev = container_of(kobj, struct sys_device, kobj);
- mem = container_of(sysdev, struct memory_block, sysdev);
-
- return mem;
+ return container_of(dev, struct memory_block, dev);
}
/*
* this gets to be a real problem, we can always use a radix
* tree or something here.
*
- * This could be made generic for all sysdev classes.
+ * This could be made generic for all device subsystems.
*/
struct memory_block *find_memory_block(struct mem_section *section)
{
mem = find_memory_block(section);
if (mem) {
mem->section_count++;
- kobject_put(&mem->sysdev.kobj);
+ kobject_put(&mem->dev.kobj);
} else
ret = init_memory_block(&mem, section, state);
unregister_memory(mem);
kfree(mem);
} else
- kobject_put(&mem->sysdev.kobj);
+ kobject_put(&mem->dev.kobj);
mutex_unlock(&mem_sysfs_mutex);
return 0;
int err;
unsigned long block_sz;
- memory_sysdev_class.kset.uevent_ops = &memory_uevent_ops;
- ret = sysdev_class_register(&memory_sysdev_class);
+ ret = subsys_system_register(&memory_subsys, NULL);
if (ret)
goto out;
/*
- * drivers/base/node.c - basic Node class support
+ * Basic Node interface support
*/
-#include <linux/sysdev.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/mm.h>
#include <linux/swap.h>
#include <linux/slab.h>
-static struct sysdev_class_attribute *node_state_attrs[];
-
-static struct sysdev_class node_class = {
+static struct bus_type node_subsys = {
.name = "node",
- .attrs = node_state_attrs,
+ .dev_name = "node",
};
-static ssize_t node_read_cpumap(struct sys_device *dev, int type, char *buf)
+static ssize_t node_read_cpumap(struct device *dev, int type, char *buf)
{
struct node *node_dev = to_node(dev);
- const struct cpumask *mask = cpumask_of_node(node_dev->sysdev.id);
+ const struct cpumask *mask = cpumask_of_node(node_dev->dev.id);
int len;
/* 2008/04/07: buf currently PAGE_SIZE, need 9 chars per 32 bits. */
return len;
}
-static inline ssize_t node_read_cpumask(struct sys_device *dev,
- struct sysdev_attribute *attr, char *buf)
+static inline ssize_t node_read_cpumask(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
return node_read_cpumap(dev, 0, buf);
}
-static inline ssize_t node_read_cpulist(struct sys_device *dev,
- struct sysdev_attribute *attr, char *buf)
+static inline ssize_t node_read_cpulist(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
return node_read_cpumap(dev, 1, buf);
}
-static SYSDEV_ATTR(cpumap, S_IRUGO, node_read_cpumask, NULL);
-static SYSDEV_ATTR(cpulist, S_IRUGO, node_read_cpulist, NULL);
+static DEVICE_ATTR(cpumap, S_IRUGO, node_read_cpumask, NULL);
+static DEVICE_ATTR(cpulist, S_IRUGO, node_read_cpulist, NULL);
#define K(x) ((x) << (PAGE_SHIFT - 10))
-static ssize_t node_read_meminfo(struct sys_device * dev,
- struct sysdev_attribute *attr, char * buf)
+static ssize_t node_read_meminfo(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
int n;
int nid = dev->id;
}
#undef K
-static SYSDEV_ATTR(meminfo, S_IRUGO, node_read_meminfo, NULL);
+static DEVICE_ATTR(meminfo, S_IRUGO, node_read_meminfo, NULL);
-static ssize_t node_read_numastat(struct sys_device * dev,
- struct sysdev_attribute *attr, char * buf)
+static ssize_t node_read_numastat(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
return sprintf(buf,
"numa_hit %lu\n"
node_page_state(dev->id, NUMA_LOCAL),
node_page_state(dev->id, NUMA_OTHER));
}
-static SYSDEV_ATTR(numastat, S_IRUGO, node_read_numastat, NULL);
+static DEVICE_ATTR(numastat, S_IRUGO, node_read_numastat, NULL);
-static ssize_t node_read_vmstat(struct sys_device *dev,
- struct sysdev_attribute *attr, char *buf)
+static ssize_t node_read_vmstat(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
int nid = dev->id;
int i;
return n;
}
-static SYSDEV_ATTR(vmstat, S_IRUGO, node_read_vmstat, NULL);
+static DEVICE_ATTR(vmstat, S_IRUGO, node_read_vmstat, NULL);
-static ssize_t node_read_distance(struct sys_device * dev,
- struct sysdev_attribute *attr, char * buf)
+static ssize_t node_read_distance(struct device *dev,
+ struct device_attribute *attr, char * buf)
{
int nid = dev->id;
int len = 0;
len += sprintf(buf + len, "\n");
return len;
}
-static SYSDEV_ATTR(distance, S_IRUGO, node_read_distance, NULL);
+static DEVICE_ATTR(distance, S_IRUGO, node_read_distance, NULL);
#ifdef CONFIG_HUGETLBFS
/*
static inline bool hugetlb_register_node(struct node *node)
{
if (__hugetlb_register_node &&
- node_state(node->sysdev.id, N_HIGH_MEMORY)) {
+ node_state(node->dev.id, N_HIGH_MEMORY)) {
__hugetlb_register_node(node);
return true;
}
{
int error;
- node->sysdev.id = num;
- node->sysdev.cls = &node_class;
- error = sysdev_register(&node->sysdev);
+ node->dev.id = num;
+ node->dev.bus = &node_subsys;
+ error = device_register(&node->dev);
if (!error){
- sysdev_create_file(&node->sysdev, &attr_cpumap);
- sysdev_create_file(&node->sysdev, &attr_cpulist);
- sysdev_create_file(&node->sysdev, &attr_meminfo);
- sysdev_create_file(&node->sysdev, &attr_numastat);
- sysdev_create_file(&node->sysdev, &attr_distance);
- sysdev_create_file(&node->sysdev, &attr_vmstat);
+ device_create_file(&node->dev, &dev_attr_cpumap);
+ device_create_file(&node->dev, &dev_attr_cpulist);
+ device_create_file(&node->dev, &dev_attr_meminfo);
+ device_create_file(&node->dev, &dev_attr_numastat);
+ device_create_file(&node->dev, &dev_attr_distance);
+ device_create_file(&node->dev, &dev_attr_vmstat);
scan_unevictable_register_node(node);
*/
void unregister_node(struct node *node)
{
- sysdev_remove_file(&node->sysdev, &attr_cpumap);
- sysdev_remove_file(&node->sysdev, &attr_cpulist);
- sysdev_remove_file(&node->sysdev, &attr_meminfo);
- sysdev_remove_file(&node->sysdev, &attr_numastat);
- sysdev_remove_file(&node->sysdev, &attr_distance);
- sysdev_remove_file(&node->sysdev, &attr_vmstat);
+ device_remove_file(&node->dev, &dev_attr_cpumap);
+ device_remove_file(&node->dev, &dev_attr_cpulist);
+ device_remove_file(&node->dev, &dev_attr_meminfo);
+ device_remove_file(&node->dev, &dev_attr_numastat);
+ device_remove_file(&node->dev, &dev_attr_distance);
+ device_remove_file(&node->dev, &dev_attr_vmstat);
scan_unevictable_unregister_node(node);
hugetlb_unregister_node(node); /* no-op, if memoryless node */
- sysdev_unregister(&node->sysdev);
+ device_unregister(&node->dev);
}
struct node node_devices[MAX_NUMNODES];
if (!obj)
return 0;
- ret = sysfs_create_link(&node_devices[nid].sysdev.kobj,
+ ret = sysfs_create_link(&node_devices[nid].dev.kobj,
&obj->kobj,
kobject_name(&obj->kobj));
if (ret)
return ret;
return sysfs_create_link(&obj->kobj,
- &node_devices[nid].sysdev.kobj,
- kobject_name(&node_devices[nid].sysdev.kobj));
+ &node_devices[nid].dev.kobj,
+ kobject_name(&node_devices[nid].dev.kobj));
}
int unregister_cpu_under_node(unsigned int cpu, unsigned int nid)
if (!obj)
return 0;
- sysfs_remove_link(&node_devices[nid].sysdev.kobj,
+ sysfs_remove_link(&node_devices[nid].dev.kobj,
kobject_name(&obj->kobj));
sysfs_remove_link(&obj->kobj,
- kobject_name(&node_devices[nid].sysdev.kobj));
+ kobject_name(&node_devices[nid].dev.kobj));
return 0;
}
continue;
if (page_nid != nid)
continue;
- ret = sysfs_create_link_nowarn(&node_devices[nid].sysdev.kobj,
- &mem_blk->sysdev.kobj,
- kobject_name(&mem_blk->sysdev.kobj));
+ ret = sysfs_create_link_nowarn(&node_devices[nid].dev.kobj,
+ &mem_blk->dev.kobj,
+ kobject_name(&mem_blk->dev.kobj));
if (ret)
return ret;
- return sysfs_create_link_nowarn(&mem_blk->sysdev.kobj,
- &node_devices[nid].sysdev.kobj,
- kobject_name(&node_devices[nid].sysdev.kobj));
+ return sysfs_create_link_nowarn(&mem_blk->dev.kobj,
+ &node_devices[nid].dev.kobj,
+ kobject_name(&node_devices[nid].dev.kobj));
}
/* mem section does not span the specified node */
return 0;
continue;
if (node_test_and_set(nid, *unlinked_nodes))
continue;
- sysfs_remove_link(&node_devices[nid].sysdev.kobj,
- kobject_name(&mem_blk->sysdev.kobj));
- sysfs_remove_link(&mem_blk->sysdev.kobj,
- kobject_name(&node_devices[nid].sysdev.kobj));
+ sysfs_remove_link(&node_devices[nid].dev.kobj,
+ kobject_name(&mem_blk->dev.kobj));
+ sysfs_remove_link(&mem_blk->dev.kobj,
+ kobject_name(&node_devices[nid].dev.kobj));
}
NODEMASK_FREE(unlinked_nodes);
return 0;
}
if (mem_blk)
- kobject_put(&mem_blk->sysdev.kobj);
+ kobject_put(&mem_blk->dev.kobj);
return err;
}
}
struct node_attr {
- struct sysdev_class_attribute attr;
+ struct device_attribute attr;
enum node_states state;
};
-static ssize_t show_node_state(struct sysdev_class *class,
- struct sysdev_class_attribute *attr, char *buf)
+static ssize_t show_node_state(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct node_attr *na = container_of(attr, struct node_attr, attr);
return print_nodes_state(na->state, buf);
}
#define _NODE_ATTR(name, state) \
- { _SYSDEV_CLASS_ATTR(name, 0444, show_node_state, NULL), state }
+ { __ATTR(name, 0444, show_node_state, NULL), state }
static struct node_attr node_state_attr[] = {
_NODE_ATTR(possible, N_POSSIBLE),
#endif
};
-static struct sysdev_class_attribute *node_state_attrs[] = {
- &node_state_attr[0].attr,
- &node_state_attr[1].attr,
- &node_state_attr[2].attr,
- &node_state_attr[3].attr,
+static struct attribute *node_state_attrs[] = {
+ &node_state_attr[0].attr.attr,
+ &node_state_attr[1].attr.attr,
+ &node_state_attr[2].attr.attr,
+ &node_state_attr[3].attr.attr,
#ifdef CONFIG_HIGHMEM
- &node_state_attr[4].attr,
+ &node_state_attr[4].attr.attr,
#endif
NULL
};
+static struct attribute_group memory_root_attr_group = {
+ .attrs = node_state_attrs,
+};
+
+static const struct attribute_group *cpu_root_attr_groups[] = {
+ &memory_root_attr_group,
+ NULL,
+};
+
#define NODE_CALLBACK_PRI 2 /* lower than SLAB */
static int __init register_node_type(void)
{
BUILD_BUG_ON(ARRAY_SIZE(node_state_attr) != NR_NODE_STATES);
BUILD_BUG_ON(ARRAY_SIZE(node_state_attrs)-1 != NR_NODE_STATES);
- ret = sysdev_class_register(&node_class);
+ ret = subsys_system_register(&node_subsys, cpu_root_attr_groups);
if (!ret) {
hotplug_memory_notifier(node_memory_callback,
NODE_CALLBACK_PRI);
#ifndef _LINUX_MEMORY_H_
#define _LINUX_MEMORY_H_
-#include <linux/sysdev.h>
#include <linux/node.h>
#include <linux/compiler.h>
#include <linux/mutex.h>
int phys_device; /* to which fru does this belong? */
void *hw; /* optional pointer to fw/hw data */
int (*phys_callback)(struct memory_block *);
- struct sys_device sysdev;
+ struct device dev;
};
int arch_get_memory_phys_device(unsigned long start_pfn);
#ifndef _LINUX_NODE_H_
#define _LINUX_NODE_H_
-#include <linux/sysdev.h>
+#include <linux/device.h>
#include <linux/cpumask.h>
#include <linux/workqueue.h>
struct node {
- struct sys_device sysdev;
+ struct device dev;
#if defined(CONFIG_MEMORY_HOTPLUG_SPARSE) && defined(CONFIG_HUGETLBFS)
struct work_struct node_work;
}
#endif
-#define to_node(sys_device) container_of(sys_device, struct node, sysdev)
+#define to_node(device) container_of(device, struct node, dev)
#endif /* _LINUX_NODE_H_ */
}
#if defined(CONFIG_SYSFS) && defined(CONFIG_NUMA)
-ssize_t sysfs_compact_node(struct sys_device *dev,
- struct sysdev_attribute *attr,
+ssize_t sysfs_compact_node(struct device *dev,
+ struct device_attribute *attr,
const char *buf, size_t count)
{
compact_node(dev->id);
return count;
}
-static SYSDEV_ATTR(compact, S_IWUSR, NULL, sysfs_compact_node);
+static DEVICE_ATTR(compact, S_IWUSR, NULL, sysfs_compact_node);
int compaction_register_node(struct node *node)
{
- return sysdev_create_file(&node->sysdev, &attr_compact);
+ return device_create_file(&node->dev, &dev_attr_compact);
}
void compaction_unregister_node(struct node *node)
{
- return sysdev_remove_file(&node->sysdev, &attr_compact);
+ return device_remove_file(&node->dev, &dev_attr_compact);
}
#endif /* CONFIG_SYSFS && CONFIG_NUMA */
/*
* node_hstate/s - associate per node hstate attributes, via their kobjects,
- * with node sysdevs in node_devices[] using a parallel array. The array
- * index of a node sysdev or _hstate == node id.
- * This is here to avoid any static dependency of the node sysdev driver, in
+ * with node devices in node_devices[] using a parallel array. The array
+ * index of a node device or _hstate == node id.
+ * This is here to avoid any static dependency of the node device driver, in
* the base kernel, on the hugetlb module.
*/
struct node_hstate {
struct node_hstate node_hstates[MAX_NUMNODES];
/*
- * A subset of global hstate attributes for node sysdevs
+ * A subset of global hstate attributes for node devices
*/
static struct attribute *per_node_hstate_attrs[] = {
&nr_hugepages_attr.attr,
};
/*
- * kobj_to_node_hstate - lookup global hstate for node sysdev hstate attr kobj.
+ * kobj_to_node_hstate - lookup global hstate for node device hstate attr kobj.
* Returns node id via non-NULL nidp.
*/
static struct hstate *kobj_to_node_hstate(struct kobject *kobj, int *nidp)
}
/*
- * Unregister hstate attributes from a single node sysdev.
+ * Unregister hstate attributes from a single node device.
* No-op if no hstate attributes attached.
*/
void hugetlb_unregister_node(struct node *node)
{
struct hstate *h;
- struct node_hstate *nhs = &node_hstates[node->sysdev.id];
+ struct node_hstate *nhs = &node_hstates[node->dev.id];
if (!nhs->hugepages_kobj)
return; /* no hstate attributes */
}
/*
- * hugetlb module exit: unregister hstate attributes from node sysdevs
+ * hugetlb module exit: unregister hstate attributes from node devices
* that have them.
*/
static void hugetlb_unregister_all_nodes(void)
int nid;
/*
- * disable node sysdev registrations.
+ * disable node device registrations.
*/
register_hugetlbfs_with_node(NULL, NULL);
}
/*
- * Register hstate attributes for a single node sysdev.
+ * Register hstate attributes for a single node device.
* No-op if attributes already registered.
*/
void hugetlb_register_node(struct node *node)
{
struct hstate *h;
- struct node_hstate *nhs = &node_hstates[node->sysdev.id];
+ struct node_hstate *nhs = &node_hstates[node->dev.id];
int err;
if (nhs->hugepages_kobj)
return; /* already allocated */
nhs->hugepages_kobj = kobject_create_and_add("hugepages",
- &node->sysdev.kobj);
+ &node->dev.kobj);
if (!nhs->hugepages_kobj)
return;
if (err) {
printk(KERN_ERR "Hugetlb: Unable to add hstate %s"
" for node %d\n",
- h->name, node->sysdev.id);
+ h->name, node->dev.id);
hugetlb_unregister_node(node);
break;
}
/*
* hugetlb init time: register hstate attributes for all registered node
- * sysdevs of nodes that have memory. All on-line nodes should have
- * registered their associated sysdev by this time.
+ * devices of nodes that have memory. All on-line nodes should have
+ * registered their associated device by this time.
*/
static void hugetlb_register_all_nodes(void)
{
for_each_node_state(nid, N_HIGH_MEMORY) {
struct node *node = &node_devices[nid];
- if (node->sysdev.id == nid)
+ if (node->dev.id == nid)
hugetlb_register_node(node);
}
/*
- * Let the node sysdev driver know we're here so it can
+ * Let the node device driver know we're here so it can
* [un]register hstate attributes on node hotplug.
*/
register_hugetlbfs_with_node(hugetlb_register_node,
* a specified node's per zone unevictable lists for evictable pages.
*/
-static ssize_t read_scan_unevictable_node(struct sys_device *dev,
- struct sysdev_attribute *attr,
+static ssize_t read_scan_unevictable_node(struct device *dev,
+ struct device_attribute *attr,
char *buf)
{
warn_scan_unevictable_pages();
return sprintf(buf, "0\n"); /* always zero; should fit... */
}
-static ssize_t write_scan_unevictable_node(struct sys_device *dev,
- struct sysdev_attribute *attr,
+static ssize_t write_scan_unevictable_node(struct device *dev,
+ struct device_attribute *attr,
const char *buf, size_t count)
{
warn_scan_unevictable_pages();
}
-static SYSDEV_ATTR(scan_unevictable_pages, S_IRUGO | S_IWUSR,
+static DEVICE_ATTR(scan_unevictable_pages, S_IRUGO | S_IWUSR,
read_scan_unevictable_node,
write_scan_unevictable_node);
int scan_unevictable_register_node(struct node *node)
{
- return sysdev_create_file(&node->sysdev, &attr_scan_unevictable_pages);
+ return device_create_file(&node->dev, &dev_attr_scan_unevictable_pages);
}
void scan_unevictable_unregister_node(struct node *node)
{
- sysdev_remove_file(&node->sysdev, &attr_scan_unevictable_pages);
+ device_remove_file(&node->dev, &dev_attr_scan_unevictable_pages);
}
#endif
projects / GitHub / moto-9609 / android_kernel_motorola_exynos9610.git / commitdiff