From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx172.postini.com [74.125.245.172]) by kanga.kvack.org (Postfix) with SMTP id 7A0DB6B0062 for ; Wed, 19 Sep 2012 14:07:52 -0400 (EDT) Received: by obhx4 with SMTP id x4so1644936obh.14 for ; Wed, 19 Sep 2012 11:07:51 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <1347632974-20465-2-git-send-email-b.zolnierkie@samsung.com> References: <1347632974-20465-1-git-send-email-b.zolnierkie@samsung.com> <1347632974-20465-2-git-send-email-b.zolnierkie@samsung.com> From: KOSAKI Motohiro Date: Wed, 19 Sep 2012 14:07:29 -0400 Message-ID: Subject: Re: [PATCH v4 1/4] mm: fix tracing in free_pcppages_bulk() Content-Type: text/plain; charset=ISO-8859-1 Sender: owner-linux-mm@kvack.org List-ID: To: Bartlomiej Zolnierkiewicz Cc: linux-mm@kvack.org, m.szyprowski@samsung.com, mina86@mina86.com, minchan@kernel.org, mgorman@suse.de, hughd@google.com, kyungmin.park@samsung.com On Fri, Sep 14, 2012 at 10:29 AM, 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"). > > Cc: Marek Szyprowski > Cc: Michal Nazarewicz > Acked-by: Minchan Kim > Acked-by: Mel Gorman > Cc: Hugh Dickins > Signed-off-by: Bartlomiej Zolnierkiewicz > Signed-off-by: Kyungmin Park Acked-by: KOSAKI Motohiro -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org