summaryrefslogtreecommitdiff
path: root/mm/huge_memory.c
diff options
context:
space:
mode:
authorAndrea Arcangeli <aarcange@redhat.com>2011-01-13 15:46:58 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2011-01-13 17:32:43 -0800
commit79134171df238171daa4c024a42b77b401ccb00b (patch)
treeaf7872d5851e371d09b9fe7eb80f4809713c79fb /mm/huge_memory.c
parentb9bbfbe30ae088cc88a4b2ba7732baeebd1a0162 (diff)
thp: transparent hugepage vmstat
Add hugepage stat information to /proc/vmstat and /proc/meminfo. Signed-off-by: Andrea Arcangeli <aarcange@redhat.com> Acked-by: Rik van Riel <riel@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/huge_memory.c')
-rw-r--r--mm/huge_memory.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index a313403b3c5e..7101112a5429 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -751,6 +751,9 @@ static void __split_huge_page_refcount(struct page *page)
lru_add_page_tail(zone, page, page_tail);
}
+ __dec_zone_page_state(page, NR_ANON_TRANSPARENT_HUGEPAGES);
+ __mod_zone_page_state(zone, NR_ANON_PAGES, HPAGE_PMD_NR);
+
ClearPageCompound(page);
compound_unlock(page);
spin_unlock_irq(&zone->lru_lock);