All of lore.kernel.org
 help / color / mirror / Atom feed
From: Sasha Levin <sasha.levin@oracle.com>
To: Vlastimil Babka <vbabka@suse.cz>,
	Andrew Morton <akpm@linux-foundation.org>,
	Joonsoo Kim <iamjoonsoo.kim@lge.com>,
	Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	Mel Gorman <mgorman@suse.de>, Yong-Taek Lee <ytk.lee@samsung.com>,
	Minchan Kim <minchan@kernel.org>,
	KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
	Marek Szyprowski <m.szyprowski@samsung.com>,
	Hugh Dickins <hughd@google.com>, Rik van Riel <riel@redhat.com>,
	Michal Nazarewicz <mina86@mina86.com>,
	Dave Jones <davej@redhat.com>
Subject: Re: [PATCH 2/2] mm/page_alloc: DEBUG_VM checks for free_list placement of CMA and RESERVE pages
Date: Tue, 13 May 2014 23:47:50 -0400	[thread overview]
Message-ID: <5372E766.9040005@oracle.com> (raw)
In-Reply-To: <5367B356.1030403@suse.cz>

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?


Thanks,
Sasha

--
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: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>

WARNING: multiple messages have this Message-ID (diff)
From: Sasha Levin <sasha.levin@oracle.com>
To: Vlastimil Babka <vbabka@suse.cz>,
	Andrew Morton <akpm@linux-foundation.org>,
	Joonsoo Kim <iamjoonsoo.kim@lge.com>,
	Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	Mel Gorman <mgorman@suse.de>, Yong-Taek Lee <ytk.lee@samsung.com>,
	Minchan Kim <minchan@kernel.org>,
	KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
	Marek Szyprowski <m.szyprowski@samsung.com>,
	Hugh Dickins <hughd@google.com>, Rik van Riel <riel@redhat.com>,
	Michal Nazarewicz <mina86@mina86.com>,
	Dave Jones <davej@redhat.com>
Subject: Re: [PATCH 2/2] mm/page_alloc: DEBUG_VM checks for free_list placement of CMA and RESERVE pages
Date: Tue, 13 May 2014 23:47:50 -0400	[thread overview]
Message-ID: <5372E766.9040005@oracle.com> (raw)
In-Reply-To: <5367B356.1030403@suse.cz>

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?


Thanks,
Sasha

  parent reply	other threads:[~2014-05-14  3:48 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-03-06 17:35 [PATCH v3] mm/page_alloc: fix freeing of MIGRATE_RESERVE migratetype pages Bartlomiej Zolnierkiewicz
2014-03-06 17:35 ` Bartlomiej Zolnierkiewicz
2014-03-21 14:16 ` Vlastimil Babka
2014-03-21 14:16   ` Vlastimil Babka
2014-03-25 13:47   ` Bartlomiej Zolnierkiewicz
2014-03-25 13:47     ` Bartlomiej Zolnierkiewicz
2014-04-03 15:36     ` Vlastimil Babka
2014-04-03 15:36       ` Vlastimil Babka
2014-04-03 15:40       ` [PATCH 1/2] mm/page_alloc: prevent MIGRATE_RESERVE pages from being misplaced Vlastimil Babka
2014-04-03 15:40         ` Vlastimil Babka
2014-04-03 15:40         ` [PATCH 2/2] mm/page_alloc: DEBUG_VM checks for free_list placement of CMA and RESERVE pages Vlastimil Babka
2014-04-03 15:40           ` Vlastimil Babka
2014-04-16  1:09           ` Joonsoo Kim
2014-04-16  1:09             ` Joonsoo Kim
2014-04-30 21:46           ` Sasha Levin
2014-04-30 21:46             ` Sasha Levin
2014-05-02 12:08             ` Vlastimil Babka
2014-05-02 12:08               ` Vlastimil Babka
2014-05-05 14:36               ` Sasha Levin
2014-05-05 14:36                 ` Sasha Levin
2014-05-05 15:50                 ` Vlastimil Babka
2014-05-05 15:50                   ` Vlastimil Babka
2014-05-05 16:37                   ` Sasha Levin
2014-05-05 16:37                     ` Sasha Levin
2014-05-07  1:33                   ` Minchan Kim
2014-05-07  1:33                     ` Minchan Kim
2014-05-07 14:59                     ` Vlastimil Babka
2014-05-07 14:59                       ` Vlastimil Babka
2014-05-08  5:54                       ` Joonsoo Kim
2014-05-08  5:54                         ` Joonsoo Kim
2014-05-08  6:19                         ` Minchan Kim
2014-05-08  6:19                           ` Minchan Kim
2014-05-08 22:34                           ` Andrew Morton
2014-05-08 22:34                             ` Andrew Morton
2014-05-13  1:40                             ` Joonsoo Kim
2014-05-13  1:40                               ` Joonsoo Kim
2014-05-08  8:51                         ` Mel Gorman
2014-05-08  8:51                           ` Mel Gorman
2014-05-12  8:28                         ` Vlastimil Babka
2014-05-12  8:28                           ` Vlastimil Babka
2014-05-13  1:37                           ` Joonsoo Kim
2014-05-13  1:37                             ` Joonsoo Kim
2014-05-14  3:47                   ` Sasha Levin [this message]
2014-05-14  3:47                     ` Sasha Levin
2014-05-14  5:19                     ` Hugh Dickins
2014-05-14  5:19                       ` Hugh Dickins
2014-05-14  9:01                       ` Vlastimil Babka
2014-05-14  9:01                         ` Vlastimil Babka
2014-04-16  0:56         ` [PATCH 1/2] mm/page_alloc: prevent MIGRATE_RESERVE pages from being misplaced Joonsoo Kim
2014-04-16  0:56           ` Joonsoo Kim
2014-04-17 23:29         ` Minchan Kim
2014-04-17 23:29           ` Minchan Kim

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=5372E766.9040005@oracle.com \
    --to=sasha.levin@oracle.com \
    --cc=akpm@linux-foundation.org \
    --cc=b.zolnierkie@samsung.com \
    --cc=davej@redhat.com \
    --cc=hughd@google.com \
    --cc=iamjoonsoo.kim@lge.com \
    --cc=kosaki.motohiro@jp.fujitsu.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mm@kvack.org \
    --cc=m.szyprowski@samsung.com \
    --cc=mgorman@suse.de \
    --cc=mina86@mina86.com \
    --cc=minchan@kernel.org \
    --cc=riel@redhat.com \
    --cc=vbabka@suse.cz \
    --cc=ytk.lee@samsung.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.