From: Andrew Morton <akpm@linux-foundation.org>
To: KOSAKI Motohiro <kosaki.motohiro@gmail.com>
Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Hugh Dickins <hughd@google.com>, Dave Jones <davej@redhat.com>,
Cong Wang <amwang@redhat.com>,
Markus Trippelsdorf <markus@trippelsdorf.de>,
Mel Gorman <mgorman@suse.de>, Minchan Kim <minchan@kernel.org>,
Rik van Riel <riel@redhat.com>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Kyungmin Park <kyungmin.park@samsung.com>
Subject: Re: [PATCH 2/2] mm: compaction: add /proc/vmstat entry for rescued MIGRATE_UNMOVABLE pageblocks
Date: Fri, 22 Jun 2012 13:12:54 -0700 [thread overview]
Message-ID: <20120622131254.cc606c00.akpm@linux-foundation.org> (raw)
In-Reply-To: <4FDA0F82.2030708@gmail.com>
On Thu, 14 Jun 2012 12:21:22 -0400
KOSAKI Motohiro <kosaki.motohiro@gmail.com> wrote:
> (6/14/12 12:02 PM), Bartlomiej Zolnierkiewicz wrote:
> > From: Bartlomiej Zolnierkiewicz<b.zolnierkie@samsung.com>
> > Subject: [PATCH] mm: compaction: add /proc/vmstat entry for rescued MIGRATE_UNMOVABLE pageblocks
> >
> > compact_rescued_unmovable_blocks shows the number of MIGRATE_UNMOVABLE
> > pageblocks converted back to MIGRATE_MOVABLE type by the memory compaction
> > code. Non-zero values indicate that large kernel-originated allocations
> > of MIGRATE_UNMOVABLE type happen in the system and need special handling
> > from the memory compaction code.
> >
> > This new vmstat entry is optional but useful for development and understanding
> > the system.
>
> This description don't describe why admin need this stat and how to use it.
>
Was there a response to this?
patch [1/2] doesn't apply. Refresh and resend the series, please?
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WARNING: multiple messages have this Message-ID (diff)
From: Andrew Morton <akpm@linux-foundation.org>
To: KOSAKI Motohiro <kosaki.motohiro@gmail.com>
Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Hugh Dickins <hughd@google.com>, Dave Jones <davej@redhat.com>,
Cong Wang <amwang@redhat.com>,
Markus Trippelsdorf <markus@trippelsdorf.de>,
Mel Gorman <mgorman@suse.de>, Minchan Kim <minchan@kernel.org>,
Rik van Riel <riel@redhat.com>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Kyungmin Park <kyungmin.park@samsung.com>
Subject: Re: [PATCH 2/2] mm: compaction: add /proc/vmstat entry for rescued MIGRATE_UNMOVABLE pageblocks
Date: Fri, 22 Jun 2012 13:12:54 -0700 [thread overview]
Message-ID: <20120622131254.cc606c00.akpm@linux-foundation.org> (raw)
In-Reply-To: <4FDA0F82.2030708@gmail.com>
On Thu, 14 Jun 2012 12:21:22 -0400
KOSAKI Motohiro <kosaki.motohiro@gmail.com> wrote:
> (6/14/12 12:02 PM), Bartlomiej Zolnierkiewicz wrote:
> > From: Bartlomiej Zolnierkiewicz<b.zolnierkie@samsung.com>
> > Subject: [PATCH] mm: compaction: add /proc/vmstat entry for rescued MIGRATE_UNMOVABLE pageblocks
> >
> > compact_rescued_unmovable_blocks shows the number of MIGRATE_UNMOVABLE
> > pageblocks converted back to MIGRATE_MOVABLE type by the memory compaction
> > code. Non-zero values indicate that large kernel-originated allocations
> > of MIGRATE_UNMOVABLE type happen in the system and need special handling
> > from the memory compaction code.
> >
> > This new vmstat entry is optional but useful for development and understanding
> > the system.
>
> This description don't describe why admin need this stat and how to use it.
>
Was there a response to this?
patch [1/2] doesn't apply. Refresh and resend the series, please?
next prev parent reply other threads:[~2012-06-22 20:12 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-14 16:02 [PATCH 2/2] mm: compaction: add /proc/vmstat entry for rescued MIGRATE_UNMOVABLE pageblocks Bartlomiej Zolnierkiewicz
2012-06-14 16:02 ` Bartlomiej Zolnierkiewicz
2012-06-14 16:21 ` KOSAKI Motohiro
2012-06-14 16:21 ` KOSAKI Motohiro
2012-06-22 20:12 ` Andrew Morton [this message]
2012-06-22 20:12 ` Andrew Morton
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