[lkml]   [2010]   [Sep]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH 3/4] hugetlb, rmap: fix confusing page locking in hugetlb_cow()
On 09/10/2010 12:23 AM, Naoya Horiguchi wrote:
> if(!trylock_page) block in avoidcopy path of hugetlb_cow() looks confusing
> and is buggy. Originally this trylock_page() is intended to make sure
> that old_page is locked even when old_page != pagecache_page, because then
> only pagecache_page is locked.
> This patch fixes it by moving page locking into hugetlb_fault().
> Signed-off-by: Naoya Horiguchi<>

Acked-by: Rik van Riel <>

All rights reversed

 \ /
  Last update: 2010-09-10 16:45    [from the cache]
©2003-2014 Jasper Spaans. hosted at Digital Ocean