From: Minchan Kim <minchan@kernel.org>
To: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
linux-mm@kvack.org, m.szyprowski@samsung.com, mina86@mina86.com,
mgorman@suse.de, hughd@google.com, kyungmin.park@samsung.com
Subject: Re: [PATCH v4 1/4] mm: fix tracing in free_pcppages_bulk()
Date: Wed, 19 Sep 2012 16:32:45 +0900 [thread overview]
Message-ID: <20120919073245.GA13234@bbox> (raw)
In-Reply-To: <50596F27.4080208@jp.fujitsu.com>
Hi Yasuaki,
On Wed, Sep 19, 2012 at 04:07:19PM +0900, Yasuaki Ishimatsu wrote:
> Hi Bartlomiej,
>
> 2012/09/14 23:29, Bartlomiej Zolnierkiewicz wrote:
> > page->private gets re-used in __free_one_page() to store page order
> > (so trace_mm_page_pcpu_drain() may print order instead of migratetype)
> > thus migratetype value must be cached locally.
> >
> > Fixes regression introduced in a701623 ("mm: fix migratetype bug
> > which slowed swapping").
>
> I think the regression has been alreadly fixed by following Mincahn's patches.
>
> https://lkml.org/lkml/2012/9/6/635
>
> => Hi Minchan,
>
> Am I wrong?
This patch isn't related to mine.
In addition, this patch don't need to be a part of this series.
--
Kind regards,
Minchan Kim
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next prev parent reply other threads:[~2012-09-19 7:30 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-14 14:29 [PATCH v4 0/4] cma: fix watermark checking Bartlomiej Zolnierkiewicz
2012-09-14 14:29 ` [PATCH v4 1/4] mm: fix tracing in free_pcppages_bulk() Bartlomiej Zolnierkiewicz
2012-09-19 7:07 ` Yasuaki Ishimatsu
2012-09-19 7:32 ` Minchan Kim [this message]
2012-09-19 7:45 ` Yasuaki Ishimatsu
2012-09-19 8:03 ` Minchan Kim
2012-09-19 18:07 ` KOSAKI Motohiro
2012-09-19 19:28 ` Andrew Morton
2012-09-14 14:29 ` [PATCH v4 2/4] cma: fix counting of isolated pages Bartlomiej Zolnierkiewicz
2012-09-14 14:29 ` [PATCH v4 3/4] cma: count free CMA pages Bartlomiej Zolnierkiewicz
2012-09-14 14:29 ` [PATCH v4 4/4] cma: fix watermark checking Bartlomiej Zolnierkiewicz
2012-09-19 19:51 ` Andrew Morton
2012-09-24 9:30 ` Bartlomiej Zolnierkiewicz
2012-09-24 21:30 ` Andrew Morton
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