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| author | KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> | 2009-12-14 17:58:11 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-15 08:53:12 -0800 |
| commit | 6d9c285a632b39ab83c6ae14cbff0e606d4042ee (patch) | |
| tree | e8d334046befcce98abd9ac8bd5350597fe5a59f /mm | |
| parent | ee32398fda8ab9867cf8d5469d6e83de5f5c1f7c (diff) | |
| download | linux-6d9c285a632b39ab83c6ae14cbff0e606d4042ee.tar.gz linux-6d9c285a632b39ab83c6ae14cbff0e606d4042ee.tar.bz2 linux-6d9c285a632b39ab83c6ae14cbff0e606d4042ee.zip | |
mm: move inc_zone_page_state(NR_ISOLATED) to just isolated place
Christoph pointed out inc_zone_page_state(NR_ISOLATED) should be placed
in right after isolate_page().
This patch does it.
Reviewed-by: Christoph Lameter <cl@linux-foundation.org>
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/memory_hotplug.c | 4 | ||||
| -rw-r--r-- | mm/mempolicy.c | 3 | ||||
| -rw-r--r-- | mm/migrate.c | 12 |
3 files changed, 11 insertions, 8 deletions
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index 2047465cd27c..e8116f8bdffa 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -27,6 +27,7 @@ #include <linux/page-isolation.h> #include <linux/pfn.h> #include <linux/suspend.h> +#include <linux/mm_inline.h> #include <asm/tlbflush.h> @@ -672,6 +673,9 @@ do_migrate_range(unsigned long start_pfn, unsigned long end_pfn) if (!ret) { /* Success */ list_add_tail(&page->lru, &source); move_pages--; + inc_zone_page_state(page, NR_ISOLATED_ANON + + page_is_file_cache(page)); + } else { /* Becasue we don't have big zone->lock. we should check this again here. */ diff --git a/mm/mempolicy.c b/mm/mempolicy.c index 4545d5944243..0f89eabbaf3e 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -89,6 +89,7 @@ #include <linux/security.h> #include <linux/syscalls.h> #include <linux/ctype.h> +#include <linux/mm_inline.h> #include <asm/tlbflush.h> #include <asm/uaccess.h> @@ -809,6 +810,8 @@ static void migrate_page_add(struct page *page, struct list_head *pagelist, if ((flags & MPOL_MF_MOVE_ALL) || page_mapcount(page) == 1) { if (!isolate_lru_page(page)) { list_add_tail(&page->lru, pagelist); + inc_zone_page_state(page, NR_ISOLATED_ANON + + page_is_file_cache(page)); } } } diff --git a/mm/migrate.c b/mm/migrate.c index 0bc640fd68fa..576c25eeb1ca 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -746,13 +746,6 @@ int migrate_pages(struct list_head *from, struct page *page2; int swapwrite = current->flags & PF_SWAPWRITE; int rc; - unsigned long flags; - - local_irq_save(flags); - list_for_each_entry(page, from, lru) - __inc_zone_page_state(page, NR_ISOLATED_ANON + - page_is_file_cache(page)); - local_irq_restore(flags); if (!swapwrite) current->flags |= PF_SWAPWRITE; @@ -878,8 +871,11 @@ static int do_move_page_to_node_array(struct mm_struct *mm, goto put_and_set; err = isolate_lru_page(page); - if (!err) + if (!err) { list_add_tail(&page->lru, &pagelist); + inc_zone_page_state(page, NR_ISOLATED_ANON + + page_is_file_cache(page)); + } put_and_set: /* * Either remove the duplicate refcount from |