[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <alpine.LSU.2.11.1405132216560.4875@eggly.anvils>
Date: Tue, 13 May 2014 22:19:57 -0700 (PDT)
From: Hugh Dickins <hughd@...gle.com>
To: Sasha Levin <sasha.levin@...cle.com>
cc: Vlastimil Babka <vbabka@...e.cz>,
Andrew Morton <akpm@...ux-foundation.org>,
Joonsoo Kim <iamjoonsoo.kim@....com>,
Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
linux-kernel@...r.kernel.org, linux-mm@...ck.org,
Mel Gorman <mgorman@...e.de>,
Yong-Taek Lee <ytk.lee@...sung.com>,
Minchan Kim <minchan@...nel.org>,
KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
Marek Szyprowski <m.szyprowski@...sung.com>,
Hugh Dickins <hughd@...gle.com>,
Rik van Riel <riel@...hat.com>,
Michal Nazarewicz <mina86@...a86.com>,
Dave Jones <davej@...hat.com>
Subject: Re: [PATCH 2/2] mm/page_alloc: DEBUG_VM checks for free_list placement
of CMA and RESERVE pages
On Tue, 13 May 2014, Sasha Levin wrote:
> On 05/05/2014 11:50 AM, Vlastimil Babka wrote:
> > So in the end this VM_DEBUG check probably cannot work anymore for MIGRATE_RESERVE, only for CMA. I'm not sure if it's worth keeping it only for CMA, what are the CMA guys' opinions on that?
>
> The way I understood it is that this patch is wrong, but it's still
> alive in -mm. Should it still be there?
I agree that it should be dropped. I did not follow the discussion,
but mmotm soon gives me BUG at mm/page_alloc.c:1242 under swapping load.
Hugh
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists