totalhigh_pages++;
#endif
-#ifdef CONFIG_FLATMEM
- max_mapnr = max(pfn, max_mapnr);
-#endif
-
ClearPageReserved(page);
init_page_count(page);
__free_page(page);
}
-int online_pages(unsigned long pfn, unsigned long nr_pages)
+int __ref online_pages(unsigned long pfn, unsigned long nr_pages)
{
unsigned long onlined_pages = 0;
struct zone *zone;
zone_pcp_update(zone);
mutex_unlock(&zonelists_mutex);
- setup_per_zone_wmarks();
- calculate_zone_inactive_ratio(zone);
+
+ init_per_zone_wmark_min();
+
if (onlined_pages) {
kswapd_run(zone_to_nid(zone));
node_set_state(zone_to_nid(zone), N_HIGH_MEMORY);
/* init node's zones as empty zones, we don't have any present pages.*/
free_area_init_node(nid, zones_size, start_pfn, zholes_size);
+ /*
+ * The node we allocated has no zone fallback lists. For avoiding
+ * to access not-initialized zonelist, build here.
+ */
+ build_all_zonelists(NULL);
+
return pgdat;
}
if (!pfn_valid(pfn))
continue;
page = pfn_to_page(pfn);
- if (!page_count(page))
+ if (!get_page_unless_zero(page))
continue;
/*
* We can skip free pages. And we can only deal with pages on
*/
ret = isolate_lru_page(page);
if (!ret) { /* Success */
+ put_page(page);
list_add_tail(&page->lru, &source);
move_pages--;
inc_zone_page_state(page, NR_ISOLATED_ANON +
pfn);
dump_page(page);
#endif
+ put_page(page);
/* Because we don't have big zone->lock. we should
check this again here. */
if (page_count(page)) {
return offlined;
}
-static int offline_pages(unsigned long start_pfn,
+static int __ref offline_pages(unsigned long start_pfn,
unsigned long end_pfn, unsigned long timeout)
{
unsigned long pfn, nr_pages, expire;
zone->zone_pgdat->node_present_pages -= offlined_pages;
totalram_pages -= offlined_pages;
- setup_per_zone_wmarks();
- calculate_zone_inactive_ratio(zone);
+ init_per_zone_wmark_min();
+
if (!node_present_pages(node)) {
node_clear_state(node, N_HIGH_MEMORY);
kswapd_stop(node);