From: Mel Gorman <mgorman@suse.de>
To: David Rientjes <rientjes@google.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Rik van Riel <riel@redhat.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [patch] mm, compaction: ignore pageblock skip when manually invoking compaction
Date: Fri, 24 Jan 2014 11:18:22 +0000 [thread overview]
Message-ID: <20140124111822.GS4963@suse.de> (raw)
In-Reply-To: <alpine.DEB.2.02.1401222154220.7503@chino.kir.corp.google.com>
On Wed, Jan 22, 2014 at 09:56:31PM -0800, David Rientjes wrote:
> The cached pageblock hint should be ignored when triggering compaction
> through /proc/sys/vm/compact_memory so all eligible memory is isolated.
> Manually invoking compaction is known to be expensive, there's no need to
> skip pageblocks based on heuristics (mainly for debugging).
>
> Signed-off-by: David Rientjes <rientjes@google.com>
Acked-by: Mel Gorman <mgorman@suse.de>
--
Mel Gorman
SUSE Labs
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WARNING: multiple messages have this Message-ID (diff)
From: Mel Gorman <mgorman@suse.de>
To: David Rientjes <rientjes@google.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Rik van Riel <riel@redhat.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [patch] mm, compaction: ignore pageblock skip when manually invoking compaction
Date: Fri, 24 Jan 2014 11:18:22 +0000 [thread overview]
Message-ID: <20140124111822.GS4963@suse.de> (raw)
In-Reply-To: <alpine.DEB.2.02.1401222154220.7503@chino.kir.corp.google.com>
On Wed, Jan 22, 2014 at 09:56:31PM -0800, David Rientjes wrote:
> The cached pageblock hint should be ignored when triggering compaction
> through /proc/sys/vm/compact_memory so all eligible memory is isolated.
> Manually invoking compaction is known to be expensive, there's no need to
> skip pageblocks based on heuristics (mainly for debugging).
>
> Signed-off-by: David Rientjes <rientjes@google.com>
Acked-by: Mel Gorman <mgorman@suse.de>
--
Mel Gorman
SUSE Labs
next prev parent reply other threads:[~2014-01-24 11:18 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-23 5:56 [patch] mm, compaction: ignore pageblock skip when manually invoking compaction David Rientjes
2014-01-23 5:56 ` David Rientjes
2014-01-24 11:18 ` Mel Gorman [this message]
2014-01-24 11:18 ` Mel Gorman
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