Commit dd78553b authored Jul 25, 2011 by KOSAKI Motohiro Committed by Linus Torvalds Jul 25, 2011

pagewalk: fix code comment for THP



Commit bae9c19b ("thp: split_huge_page_mm/vma") changed locking behavior
of walk_page_range().  Thus this patch changes the comment too.

Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: Hiroyuki Kamezawa <kamezawa.hiroyuki@gmail.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Matt Mackall <mpm@selenic.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent c27fe4c8

mm/pagewalk.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -176,7 +176,8 @@ static int walk_hugetlb_range(struct vm_area_struct *vma,
		* associated range, and a copy of the original mm_walk for access to
		* the ->private or ->mm fields.
		*
		* No locks are taken, but the bottom level iterator will map PTE
		* Usually no locks are taken, but splitting transparent huge page may
		* take page table lock. And the bottom level iterator will map PTE
		* directories from highmem if necessary.
		*
		* If any callback returns a non-zero value, the walk is aborted and