From: Matt Fleming <matt@console-pimps.org>
To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Dave Hansen <dave@linux.vnet.ibm.com>,
Hugh Dickins <hughd@google.com>,
Andrew Morton <akpm@linux-foundation.org>,
linux-mm@vger.kernel.org, linux-kernel@vger.kernel.org,
Matt Fleming <matt.fleming@linux.intel.com>
Subject: Re: [PATCH] mm: Delete non-atomic mm counter implementation
Date: Fri, 29 Apr 2011 09:02:36 +0100 [thread overview]
Message-ID: <20110429090236.6f2d8e61@mfleming-mobl1.ger.corp.intel.com> (raw)
In-Reply-To: <20110428090857.24de6532.kamezawa.hiroyu@jp.fujitsu.com>
On Thu, 28 Apr 2011 09:08:57 +0900
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> wrote:
> now mm_counters are update in per-thread and removing non-atomic
> will not have big impact in performance, I hope.
>
> Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Thanks!
Note that this patch doesn't enable per-thread counters for the
non-USE_SPLIT_PTLOCKS case; SPLIT_RSS_COUNTING is still only enabled if
USE_SPLIT_PTLOCKS is on.
--
Matt Fleming, Intel Open Source Technology Center
prev parent reply other threads:[~2011-04-29 8:02 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-27 14:36 Matt Fleming
2011-04-27 15:09 ` Matt Fleming
2011-04-27 16:08 ` Dave Hansen
2011-04-28 0:08 ` KAMEZAWA Hiroyuki
2011-04-29 8:02 ` Matt Fleming [this message]
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