Messages in this thread | | | Date | Mon, 26 Dec 2011 16:00:41 +0900 | From | KAMEZAWA Hiroyuki <> | Subject | Re: [PATCH] mm: hugetlb: undo change to page mapcount in fault handler |
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On Fri, 23 Dec 2011 21:00:41 +0800 Hillf Danton <dhillf@gmail.com> wrote:
> On Fri, Dec 23, 2011 at 12:36 AM, Michal Hocko <mhocko@suse.cz> wrote: > > > > The changelog is rather cryptic. What about something like: > > > > It is included in the following version, thanks. > > ===CUT HERE=== > From: Hillf Danton <dhillf@gmail.com> > Subject: [PATCH] mm: hugetlb: undo change to page mapcount in fault handler > > Page mapcount should be updated only if we are sure that the page ends > up in the page table otherwise we would leak if we couldn't COW due to > reservations or if idx is out of bounds. > > Signed-off-by: Hillf Danton <dhillf@gmail.com> > Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> > Cc: Andrew Morton <akpm@linux-foundation.org> > Reviewed-by: Michal Hocko <mhocko@suse.cz>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
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