From 05b258e99725112c4febeab4fad23ea2c8908a3a Mon Sep 17 00:00:00 2001 From: David Rientjes Date: Thu, 13 Jan 2011 15:47:14 -0800 Subject: [PATCH] thp: transparent hugepage sysfs meminfo Add hugepage statistics to per-node sysfs meminfo Reviewed-by: Rik van Riel Signed-off-by: David Rientjes Signed-off-by: Andrea Arcangeli Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/base/node.c | 21 ++++++++++++++++++--- 1 file changed, 18 insertions(+), 3 deletions(-) diff --git a/drivers/base/node.c b/drivers/base/node.c index ce012a9c6201..36b43052001d 100644 --- a/drivers/base/node.c +++ b/drivers/base/node.c @@ -117,12 +117,21 @@ static ssize_t node_read_meminfo(struct sys_device * dev, "Node %d WritebackTmp: %8lu kB\n" "Node %d Slab: %8lu kB\n" "Node %d SReclaimable: %8lu kB\n" - "Node %d SUnreclaim: %8lu kB\n", + "Node %d SUnreclaim: %8lu kB\n" +#ifdef CONFIG_TRANSPARENT_HUGEPAGE + "Node %d AnonHugePages: %8lu kB\n" +#endif + , nid, K(node_page_state(nid, NR_FILE_DIRTY)), nid, K(node_page_state(nid, NR_WRITEBACK)), nid, K(node_page_state(nid, NR_FILE_PAGES)), nid, K(node_page_state(nid, NR_FILE_MAPPED)), - nid, K(node_page_state(nid, NR_ANON_PAGES)), + nid, K(node_page_state(nid, NR_ANON_PAGES) +#ifdef CONFIG_TRANSPARENT_HUGEPAGE + + node_page_state(nid, NR_ANON_TRANSPARENT_HUGEPAGES) * + HPAGE_PMD_NR +#endif + ), nid, K(node_page_state(nid, NR_SHMEM)), nid, node_page_state(nid, NR_KERNEL_STACK) * THREAD_SIZE / 1024, @@ -133,7 +142,13 @@ static ssize_t node_read_meminfo(struct sys_device * dev, nid, K(node_page_state(nid, NR_SLAB_RECLAIMABLE) + node_page_state(nid, NR_SLAB_UNRECLAIMABLE)), nid, K(node_page_state(nid, NR_SLAB_RECLAIMABLE)), - nid, K(node_page_state(nid, NR_SLAB_UNRECLAIMABLE))); + nid, K(node_page_state(nid, NR_SLAB_UNRECLAIMABLE)) +#ifdef CONFIG_TRANSPARENT_HUGEPAGE + , nid, + K(node_page_state(nid, NR_ANON_TRANSPARENT_HUGEPAGES) * + HPAGE_PMD_NR) +#endif + ); n += hugetlb_report_node_meminfo(nid, buf + n); return n; } -- 2.20.1