From: Dave Hansen <dave@linux.vnet.ibm.com>
To: John Stultz <john.stultz@linaro.org>
Cc: linux-kernel@vger.kernel.org, "Arve Hjønnevåg" <arve@android.com>,
"Mel Gorman" <mgorman@suse.de>,
"Andrew Morton" <akpm@linux-foundation.org>
Subject: Re: [PATCH] mm: Check if any page in a pageblock is reserved before marking it MIGRATE_RESERVE
Date: Fri, 22 Apr 2011 09:02:10 -0700 [thread overview]
Message-ID: <1303488130.9308.5883.camel@nimitz> (raw)
In-Reply-To: <1303436043-26644-1-git-send-email-john.stultz@linaro.org>
On Thu, 2011-04-21 at 18:34 -0700, John Stultz wrote:
> This fixes a problem where the first pageblock got marked MIGRATE_RESERVE even
> though it only had a few free pages. This in turn caused no contiguous memory
> to be reserved and frequent kswapd wakeups that emptied the caches to get more
> contiguous memory.
This looks sane to me.
Acked-by: Dave Hansen <dave@linux.vnet.ibm.com>
-- Dave
next prev parent reply other threads:[~2011-04-22 16:02 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-22 1:34 John Stultz
2011-04-22 16:02 ` Dave Hansen [this message]
2011-04-26 7:34 ` Mel Gorman
2011-04-26 9:49 ` KOSAKI Motohiro
2011-04-26 10:13 ` Mel Gorman
2011-04-26 17:51 ` John Stultz
-- strict thread matches above, loose matches on Subject: below --
2010-04-05 10:14 [Question] race condition in mm/page_alloc.c regarding page->lru? Mel Gorman
2010-04-06 3:09 ` [PATCH] mm: Check if any page in a pageblock is reserved before marking it MIGRATE_RESERVE Arve Hjønnevåg
2010-04-06 4:15 ` Minchan Kim
2010-04-06 15:11 ` Mel Gorman
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