From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Michal Hocko <mhocko@suse.cz>,
Hiroyuki Kamezawa <kamezawa.hiroyuki@gmail.com>,
Wu Fengguang <fengguang.wu@intel.com>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
Andrew Morton <akpm@linux-foundation.org>,
"Kleen, Andi" <andi.kleen@intel.com>,
Haicheng Li <haicheng.li@linux.intel.com>,
Christoph Lameter <cl@linux-foundation.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Mel Gorman <mel@linux.vnet.ibm.com>
Subject: [PATCH 3/2][BUGFIX] fix memory isolation notifier return value check
Date: Fri, 3 Sep 2010 16:57:13 +0900 [thread overview]
Message-ID: <20100903165713.88249349.kamezawa.hiroyu@jp.fujitsu.com> (raw)
In-Reply-To: <20100903121003.e2b8993a.kamezawa.hiroyu@jp.fujitsu.com>
Sorry, the 3rd patch for this set.
==
From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Even if notifier cannot find any pages, it doesn't mean
no pages are available...(For example, there is no notifier.)
Anyway, we check all pages in the range, later.
Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
---
mm/page_alloc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Index: mmotm-0827/mm/page_alloc.c
===================================================================
--- mmotm-0827.orig/mm/page_alloc.c
+++ mmotm-0827/mm/page_alloc.c
@@ -5360,7 +5360,7 @@ int set_migratetype_isolate(struct page
*/
notifier_ret = memory_isolate_notify(MEM_ISOLATE_COUNT, &arg);
notifier_ret = notifier_to_errno(notifier_ret);
- if (notifier_ret || !arg.pages_found)
+ if (notifier_ret)
goto out;
immobile = __count_unmovable_pages(zone ,page);
--
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next prev parent reply other threads:[~2010-09-03 8:02 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-20 14:14 [PATCH] Make is_mem_section_removable more conformable with offlining code Michal Hocko
2010-08-22 0:42 ` Wu Fengguang
2010-08-23 9:22 ` Michal Hocko
2010-08-31 12:30 ` Michal Hocko
2010-08-31 14:19 ` Wu Fengguang
2010-08-31 14:36 ` Wu Fengguang
2010-08-31 14:59 ` Wu Fengguang
2010-09-01 1:19 ` KAMEZAWA Hiroyuki
2010-09-01 12:19 ` Michal Hocko
2010-09-01 12:41 ` Michal Hocko
2010-09-02 5:45 ` KAMEZAWA Hiroyuki
2010-09-02 8:28 ` Michal Hocko
2010-09-02 9:03 ` KAMEZAWA Hiroyuki
2010-09-02 9:24 ` Michal Hocko
2010-09-02 11:19 ` Hiroyuki Kamezawa
2010-09-02 13:18 ` Michal Hocko
2010-09-02 14:19 ` Hiroyuki Kamezawa
2010-09-02 14:39 ` Michal Hocko
2010-09-02 15:05 ` Michal Hocko
2010-09-03 3:10 ` [PATCH 0/2 v2] " KAMEZAWA Hiroyuki
2010-09-03 3:11 ` [PATCH 1/2][BUGFIX] fix next active pageblock calculation KAMEZAWA Hiroyuki
2010-09-03 3:14 ` [PATCH 2/2] Make is_mem_section_removable more conformable with offlining code KAMEZAWA Hiroyuki
2010-09-03 8:25 ` Michal Hocko
2010-09-03 9:13 ` KAMEZAWA Hiroyuki
2010-09-03 9:50 ` Michal Hocko
2010-09-03 10:05 ` KAMEZAWA Hiroyuki
2010-09-03 11:01 ` Michal Hocko
2010-09-03 11:42 ` [PATCH 2/2] Make is_mem_section_removable more conformable with offlining code v3 Michal Hocko
2010-09-04 2:55 ` Wu Fengguang
2010-09-06 9:16 ` Michal Hocko
2010-09-03 9:15 ` [PATCH 2/2] Make is_mem_section_removable more conformable with offlining code Michal Hocko
2010-09-03 9:24 ` KAMEZAWA Hiroyuki
2010-09-03 7:54 ` [PATCH 0/2 v2] " Michal Hocko
2010-09-03 7:57 ` KAMEZAWA Hiroyuki [this message]
2010-09-03 20:48 ` [PATCH 3/2][BUGFIX] fix memory isolation notifier return value check Andrew Morton
2010-09-03 22:05 ` Hiroyuki Kamezawa
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