diff options
| author | Andrea Arcangeli <aarcange@redhat.com> | 2011-01-13 15:46:58 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-13 17:32:43 -0800 |
| commit | 79134171df238171daa4c024a42b77b401ccb00b (patch) | |
| tree | af7872d5851e371d09b9fe7eb80f4809713c79fb /mm/huge_memory.c | |
| parent | b9bbfbe30ae088cc88a4b2ba7732baeebd1a0162 (diff) | |
| download | lwn-79134171df238171daa4c024a42b77b401ccb00b.tar.gz lwn-79134171df238171daa4c024a42b77b401ccb00b.zip | |
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.c | 3 |
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); |