From: Wu Fengguang <fengguang.wu@intel.com>
To: "Li, Shaohua" <shaohua.li@intel.com>
Cc: Minchan Kim <minchan.kim@gmail.com>,
linux-mm <linux-mm@kvack.org>,
Andrew Morton <akpm@linux-foundation.org>,
Andi Kleen <andi@firstfloor.org>
Subject: Re: [RFC]mm: batch activate_page() to reduce lock contention
Date: Fri, 23 Jul 2010 16:12:24 +0800 [thread overview]
Message-ID: <20100723081224.GB5043@localhost> (raw)
In-Reply-To: <20100722051702.GA26829@sli10-desk.sh.intel.com>
> Each node has zones, so a pagevec[MAX_NR_ZONES] doesn't work here.
It's actually pagevec[MAX_NR_ZONES][nr_cpus], where the CPU dimension
selects a NUMA node. So it looks like a worthy optimization.
Thanks,
Fengguang
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next prev parent reply other threads:[~2010-07-23 8:12 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-20 7:18 [RFC]mm: batch activate_page() to reduce lock contention Shaohua Li
2010-07-21 16:06 ` Minchan Kim
2010-07-22 0:27 ` Shaohua Li
2010-07-22 1:08 ` Minchan Kim
2010-07-22 5:17 ` Shaohua Li
2010-07-22 12:28 ` Minchan Kim
2010-07-23 8:12 ` Wu Fengguang [this message]
2010-07-23 8:14 ` Wu Fengguang
2010-07-22 23:49 ` Andrew Morton
2010-07-23 15:10 ` KOSAKI Motohiro
2010-07-23 15:25 ` Andi Kleen
2010-07-23 18:06 ` KOSAKI Motohiro
2010-07-26 5:08 ` Shaohua Li
2010-08-05 21:07 ` Andrew Morton
2010-08-06 3:08 ` Shaohua Li
2010-08-25 20:03 ` Andrew Morton
2010-08-26 7:59 ` Shaohua Li
2010-08-26 21:30 ` Andrew Morton
2010-08-27 8:17 ` Shaohua Li
2010-09-03 21:12 ` Andrew Morton
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