From: Andrew Morton <akpm@linux-foundation.org>
To: Shaohua Li <shaohua.li@intel.com>
Cc: linux-mm <linux-mm@kvack.org>, Andi Kleen <andi@firstfloor.org>,
"Wu, Fengguang" <fengguang.wu@intel.com>
Subject: Re: [RFC]mm: batch activate_page() to reduce lock contention
Date: Thu, 22 Jul 2010 16:49:21 -0700 [thread overview]
Message-ID: <20100722164921.4918399f.akpm@linux-foundation.org> (raw)
In-Reply-To: <1279610324.17101.9.camel@sli10-desk.sh.intel.com>
On Tue, 20 Jul 2010 15:18:44 +0800
Shaohua Li <shaohua.li@intel.com> wrote:
> +void activate_page(struct page *page)
> +{
> + struct pagevec *pvec = &get_cpu_var(activate_page_pvecs);
> +
> + page_cache_get(page);
> + if (!pagevec_add(pvec, page))
> + activate_page_drain_cpu(smp_processor_id());
> + put_cpu_var(activate_page_pvecs);
> }
uhm, could I please draw attention to the most valuable
Documentation/SubmitChecklist? In particular,
12: Has been tested with CONFIG_PREEMPT, CONFIG_DEBUG_PREEMPT,
CONFIG_DEBUG_SLAB, CONFIG_DEBUG_PAGEALLOC, CONFIG_DEBUG_MUTEXES,
CONFIG_DEBUG_SPINLOCK, CONFIG_DEBUG_SPINLOCK_SLEEP all simultaneously
enabled.
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next prev parent reply other threads:[~2010-07-22 23:49 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
2010-07-23 8:14 ` Wu Fengguang
2010-07-22 23:49 ` Andrew Morton [this message]
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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