From: Andrew Morton <akpm@linux-foundation.org>
To: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Minchan Kim <minchan.kim@gmail.com>,
Huang Shijie <shijie8@gmail.com>,
mel@csn.ul.ie, linux-mm@kvack.org
Subject: Re: [PATCH] page allocator: fix update NR_FREE_PAGES only as necessary
Date: Fri, 8 Jan 2010 15:02:51 -0800 [thread overview]
Message-ID: <20100108150251.4854d565.akpm@linux-foundation.org> (raw)
In-Reply-To: <20100104144332.96A2.A69D9226@jp.fujitsu.com>
On Mon, 4 Jan 2010 14:52:36 +0900 (JST)
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> wrote:
> --- a/mm/page_alloc.c
> +++ b/mm/page_alloc.c
> @@ -1227,10 +1227,10 @@ again:
> }
> spin_lock_irqsave(&zone->lock, flags);
> page = __rmqueue(zone, order, migratetype);
> - __mod_zone_page_state(zone, NR_FREE_PAGES, -(1 << order));
> spin_unlock(&zone->lock);
> if (!page)
> goto failed;
> + __mod_zone_page_state(zone, NR_FREE_PAGES, -(1 << order));
> }
>
> __count_zone_vm_events(PGALLOC, zone, 1 << order);
hm, yes, OK, obviously better.
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prev parent reply other threads:[~2010-01-08 23:03 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-04 2:22 [PATCH] mm : add check for the return value Huang Shijie
2010-01-04 3:21 ` Minchan Kim
2010-01-04 4:10 ` shijie8
2010-01-04 4:48 ` Minchan Kim
2010-01-04 5:18 ` Huang Shijie
2010-01-04 6:06 ` Minchan Kim
2010-01-08 22:59 ` Andrew Morton
2010-01-04 5:52 ` [PATCH] page allocator: fix update NR_FREE_PAGES only as necessary KOSAKI Motohiro
2010-01-04 6:03 ` Minchan Kim
2010-01-04 6:11 ` Huang Shijie
2010-01-04 6:16 ` KOSAKI Motohiro
2010-01-04 9:35 ` Huang Shijie
2010-01-05 7:24 ` KOSAKI Motohiro
2010-01-04 9:58 ` Mel Gorman
2010-01-04 17:46 ` Christoph Lameter
2010-01-05 1:08 ` KOSAKI Motohiro
2010-01-08 23:02 ` Andrew Morton [this message]
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