From: Hillf Danton <dhillf@gmail.com>
To: linux-mm@kvack.org
Cc: LKML <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Michal Hocko <mhocko@suse.cz>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Subject: [PATCH] mm: hugetlb: add might_sleep() for gigantic page
Date: Fri, 23 Dec 2011 21:41:08 +0800 [thread overview]
Message-ID: <CAJd=RBCXTp0GrMGw+MBDdj0K15+L5v+O2t6EcDghFk34aNwt1g@mail.gmail.com> (raw)
From: Hillf Danton <dhillf@gmail.com>
Subject: [PATCH] mm: hugetlb: add might_sleep() for gigantic page
Like the case of huge page, might_sleep() is added for gigantic page, then
both are treated in same way.
Cc: Michal Hocko <mhocko@suse.cz>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Hillf Danton <dhillf@gmail.com>
---
--- a/mm/hugetlb.c Tue Dec 20 21:26:30 2011
+++ b/mm/hugetlb.c Fri Dec 23 21:19:18 2011
@@ -401,6 +401,7 @@ static void copy_gigantic_page(struct pa
struct page *dst_base = dst;
struct page *src_base = src;
+ might_sleep();
for (i = 0; i < pages_per_huge_page(h); ) {
cond_resched();
copy_highpage(dst, src);
--
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next reply other threads:[~2011-12-23 13:41 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-23 13:41 Hillf Danton [this message]
2011-12-26 7:32 ` KAMEZAWA Hiroyuki
2011-12-27 12:59 ` Michal Hocko
2011-12-27 13:21 ` Hillf Danton
2011-12-27 13:30 ` Michal Hocko
2011-12-27 13:38 ` Hillf Danton
2011-12-27 13:39 ` Michal Hocko
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