diff options
author | Andrew Morton <akpm@linux-foundation.org> | 2012-10-08 19:34:11 -0400 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-10-09 03:23:03 -0400 |
commit | 7795912c257bc068445f1db429c94d6b4b6ee604 (patch) | |
tree | baf49e5f849cc9b36e989ae3a0c02e7d55d30021 /mm/hugetlb.c | |
parent | 45ec16908e84e00d847e9063231fb3a75e6366bc (diff) |
mm: document PageHuge somewhat
Acked-by: David Rientjes <rientjes@google.com>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: 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/hugetlb.c')
-rw-r--r-- | mm/hugetlb.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 993f7c1820a8..59a0059b39e2 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c | |||
@@ -671,6 +671,11 @@ static void prep_compound_gigantic_page(struct page *page, unsigned long order) | |||
671 | } | 671 | } |
672 | } | 672 | } |
673 | 673 | ||
674 | /* | ||
675 | * PageHuge() only returns true for hugetlbfs pages, but not for normal or | ||
676 | * transparent huge pages. See the PageTransHuge() documentation for more | ||
677 | * details. | ||
678 | */ | ||
674 | int PageHuge(struct page *page) | 679 | int PageHuge(struct page *page) |
675 | { | 680 | { |
676 | compound_page_dtor *dtor; | 681 | compound_page_dtor *dtor; |