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authorRik van Riel <riel@redhat.com>2011-01-13 15:47:13 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2011-01-13 17:32:46 -0800
commit2c888cfbc1b45508a44763d85ba2e8ac43faff5f (patch)
tree9a7f2214e5d6a01d5724ae63d4d50cddeb2293ff /mm/memcontrol.c
parentthp: disable transparent hugepages by default on small systems (diff)
downloadlinux-dev-2c888cfbc1b45508a44763d85ba2e8ac43faff5f.tar.xz
linux-dev-2c888cfbc1b45508a44763d85ba2e8ac43faff5f.zip
thp: fix anon memory statistics with transparent hugepages
Count each transparent hugepage as HPAGE_PMD_NR pages in the LRU statistics, so the Active(anon) and Inactive(anon) statistics in /proc/meminfo are correct. Signed-off-by: Rik van Riel <riel@redhat.com> Signed-off-by: Andrea Arcangeli <aarcange@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/memcontrol.c')
-rw-r--r--mm/memcontrol.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index a1bb59d4c9d0..f4ea3410fb4d 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -1091,7 +1091,7 @@ unsigned long mem_cgroup_isolate_pages(unsigned long nr_to_scan,
case 0:
list_move(&page->lru, dst);
mem_cgroup_del_lru(page);
- nr_taken++;
+ nr_taken += hpage_nr_pages(page);
break;
case -EBUSY:
/* we don't affect global LRU but rotate in our LRU */