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Message-ID: <4DDCABA0.4000207@jp.fujitsu.com> Date: Wed, 25 May 2011 16:11:28 +0900 From: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com> To: kosaki.motohiro@...fujitsu.com CC: linux-mm@...ck.org, linux-kernel@...r.kernel.org, aarcange@...hat.com, akpm@...ux-foundation.org, n-horiguchi@...jp.nec.com, kamezawa.hiroyu@...fujitsu.com Subject: [PATCH 4/4] pagewalk: fix code comment for THP commit bae9c19bf1 (thp: split_huge_page_mm/vma) changed locking behavior of walk_page_range(). Thus this patch changes comment too. Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com> --- mm/pagewalk.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/mm/pagewalk.c b/mm/pagewalk.c index f792940..2f5cf10 100644 --- a/mm/pagewalk.c +++ b/mm/pagewalk.c @@ -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 -- 1.7.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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