From: Johannes Weiner <hannes@saeurebad.de>
To: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Rik van Riel <riel@redhat.com>,
Peter Zijlstra <peterz@infradead.org>,
linux-mm@kvack.org
Subject: Re: [patch 0/3] activate pages in batch
Date: Thu, 23 Oct 2008 04:00:35 +0200 [thread overview]
Message-ID: <87prlsjcjg.fsf@saeurebad.de> (raw)
In-Reply-To: <20081023104002.1CEA.KOSAKI.MOTOHIRO@jp.fujitsu.com> (KOSAKI Motohiro's message of "Thu, 23 Oct 2008 10:41:36 +0900 (JST)")
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> writes:
> Hi, Hannes
>
>> Instead of re-acquiring the highly contented LRU lock on every single
>> page activation, deploy an extra pagevec to do page activation in
>> batch.
>
> Do you have any mesurement result?
Not yet, sorry.
Spinlocks are no-ops on my architecture, though, so the best I can come
up with is results from emulating an SMP machine, would that be okay?
Hannes
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next prev parent reply other threads:[~2008-10-23 2:00 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-22 22:50 [patch 0/3] activate pages in batch Johannes Weiner
2008-10-22 22:50 ` [patch 1/3] swap: use an array for all pagevecs Johannes Weiner
2008-10-22 22:50 ` [patch 2/3] swap: refactor pagevec flushing Johannes Weiner
2008-10-27 6:50 ` Andrew Morton
2008-10-27 8:08 ` Johannes Weiner
2008-10-27 12:18 ` [patch 2/3 v2] " Johannes Weiner
2008-10-22 22:50 ` [patch 3/3] swap: cache page activation Johannes Weiner
2008-10-23 1:41 ` [patch 0/3] activate pages in batch KOSAKI Motohiro
2008-10-23 2:00 ` Johannes Weiner [this message]
2008-10-23 2:10 ` KOSAKI Motohiro
2008-10-23 16:21 ` Johannes Weiner
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