Commit 59ff4216 authored Jan 13, 2011 by Andrea Arcangeli Committed by Linus Torvalds Jan 13, 2011

thp: comment reminder in destroy_compound_page



Warn destroy_compound_page that __split_huge_page_refcount is heavily
dependent on its internal behavior.

Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Acked-by: Rik van Riel <riel@redhat.com>
Acked-by: Mel Gorman <mel@csn.ul.ie>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 14fd403f

mm/page_alloc.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -357,6 +357,7 @@ void prep_compound_page(struct page *page, unsigned long order)
		}
		}

		/* update __split_huge_page_refcount if you change this function */
		static int destroy_compound_page(struct page *page, unsigned long order)
		{
		int i;