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From: Andrew Morton <akpm@linux-foundation.org>
To: kosaki.motohiro@gmail.com
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
	David Rientjes <rientjes@google.com>, Mel Gorman <mel@csn.ul.ie>,
	Johannes Weiner <hannes@cmpxchg.org>,
	Minchan Kim <minchan.kim@gmail.com>,
	Wu Fengguang <fengguang.wu@intel.com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
	Rik van Riel <riel@redhat.com>
Subject: Re: [PATCH] mm: clear pages_scanned only if draining a pcp adds pages to the buddy allocator again
Date: Fri, 22 Jun 2012 13:19:01 -0700	[thread overview]
Message-ID: <20120622131901.28f273e3.akpm@linux-foundation.org> (raw)
In-Reply-To: <1339690570-7471-1-git-send-email-kosaki.motohiro@gmail.com>

On Thu, 14 Jun 2012 12:16:10 -0400
kosaki.motohiro@gmail.com wrote:

> commit 2ff754fa8f (mm: clear pages_scanned only if draining a pcp adds pages
> to the buddy allocator again) fixed one free_pcppages_bulk() misuse. But two
> another miuse still exist.

This changelog is irritating.  One can understand it a bit if one
happens to have a git repo handy (and why do this to the reader?), but
the changelog for 2ff754fa8f indicates that the patch might fix a
livelock.  Is that true of this patch?  Who knows...

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  parent reply	other threads:[~2012-06-22 20:19 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-06-14 16:16 [PATCH] mm: clear pages_scanned only if draining a pcp adds pages to the buddy allocator again kosaki.motohiro
2012-06-14 17:46 ` Rik van Riel
2012-06-15  7:19 ` Minchan Kim
2012-06-15 15:52   ` KOSAKI Motohiro
2012-06-15 23:21     ` Minchan Kim
2012-06-15  9:24 ` Mel Gorman
2012-06-15 16:19 ` Johannes Weiner
2012-06-16  6:55 ` Kamezawa Hiroyuki
2012-06-17  2:05 ` David Rientjes
2012-06-22 20:19 ` Andrew Morton [this message]
2012-06-22 21:10   ` KOSAKI Motohiro
2012-06-22 21:39     ` Andrew Morton

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