From: Mel Gorman <mgorman@suse.de>
To: Minchan Kim <minchan@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Kamezawa Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>,
Xishi Qiu <qiuxishi@huawei.com>,
Wen Congyang <wency@cn.fujitsu.com>
Subject: Re: [PATCH v3 0/4] memory-hotplug: handle page race between allocation and isolation
Date: Fri, 7 Sep 2012 10:17:01 +0100 [thread overview]
Message-ID: <20120907091701.GW11266@suse.de> (raw)
In-Reply-To: <1346978372-17903-1-git-send-email-minchan@kernel.org>
On Fri, Sep 07, 2012 at 09:39:28AM +0900, Minchan Kim wrote:
> Memory hotplug has a subtle race problem so this patchset fixes the problem
> (Look at [3/3] for detail and please confirm the problem before review
> other patches in this series.)
>
> [1/4] is just clean up and help for [2/4].
> [2/4] keeps the migratetype information to freed page's index field
> and [3/4] uses the information.
> [3/4] fixes the race problem with [2/4]'s information.
> [4/4] enhance memory-hotremove operation success ratio
>
> After applying [2/4], migratetype argument in __free_one_page
> and free_one_page is redundant so we can remove it but I decide
> to not touch them because it increases code size about 50 byte.
>
> This patchset is based on mmotm-2012-09-06-16-46
>
Nothing jumped out and poked me in the eye so for the series;
Acked-by: Mel Gorman <mgorman@suse.de>
Thanks!
--
Mel Gorman
SUSE Labs
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WARNING: multiple messages have this Message-ID (diff)
From: Mel Gorman <mgorman@suse.de>
To: Minchan Kim <minchan@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Kamezawa Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>,
Xishi Qiu <qiuxishi@huawei.com>,
Wen Congyang <wency@cn.fujitsu.com>
Subject: Re: [PATCH v3 0/4] memory-hotplug: handle page race between allocation and isolation
Date: Fri, 7 Sep 2012 10:17:01 +0100 [thread overview]
Message-ID: <20120907091701.GW11266@suse.de> (raw)
In-Reply-To: <1346978372-17903-1-git-send-email-minchan@kernel.org>
On Fri, Sep 07, 2012 at 09:39:28AM +0900, Minchan Kim wrote:
> Memory hotplug has a subtle race problem so this patchset fixes the problem
> (Look at [3/3] for detail and please confirm the problem before review
> other patches in this series.)
>
> [1/4] is just clean up and help for [2/4].
> [2/4] keeps the migratetype information to freed page's index field
> and [3/4] uses the information.
> [3/4] fixes the race problem with [2/4]'s information.
> [4/4] enhance memory-hotremove operation success ratio
>
> After applying [2/4], migratetype argument in __free_one_page
> and free_one_page is redundant so we can remove it but I decide
> to not touch them because it increases code size about 50 byte.
>
> This patchset is based on mmotm-2012-09-06-16-46
>
Nothing jumped out and poked me in the eye so for the series;
Acked-by: Mel Gorman <mgorman@suse.de>
Thanks!
--
Mel Gorman
SUSE Labs
next prev parent reply other threads:[~2012-09-07 9:17 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-07 0:39 [PATCH v3 0/4] memory-hotplug: handle page race between allocation and isolation Minchan Kim
2012-09-07 0:39 ` Minchan Kim
2012-09-07 0:39 ` [PATCH v3 1/4] use get_freepage_migratetype instead of page_private Minchan Kim
2012-09-07 0:39 ` Minchan Kim
2012-09-07 3:50 ` Yasuaki Ishimatsu
2012-09-07 3:50 ` Yasuaki Ishimatsu
2012-09-07 0:39 ` [PATCH v3 2/4] mm: remain migratetype in freed page Minchan Kim
2012-09-07 0:39 ` Minchan Kim
2012-09-07 3:51 ` Yasuaki Ishimatsu
2012-09-07 3:51 ` Yasuaki Ishimatsu
2012-09-07 0:39 ` [PATCH v3 3/4] memory-hotplug: bug fix race between isolation and allocation Minchan Kim
2012-09-07 0:39 ` Minchan Kim
2012-09-07 3:52 ` Yasuaki Ishimatsu
2012-09-07 3:52 ` Yasuaki Ishimatsu
2012-09-07 0:39 ` [PATCH v3 4/4] memory-hotplug: fix pages missed by race rather than failng Minchan Kim
2012-09-07 0:39 ` Minchan Kim
2012-09-07 0:48 ` Kamezawa Hiroyuki
2012-09-07 0:48 ` Kamezawa Hiroyuki
2012-09-07 9:17 ` Mel Gorman [this message]
2012-09-07 9:17 ` [PATCH v3 0/4] memory-hotplug: handle page race between allocation and isolation Mel Gorman
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