From: Simon Kirby <sim@hostway.ca>
To: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Shaohua Li <shaohua.li@intel.com>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
Dave Hansen <dave@linux.vnet.ibm.com>,
Christoph Lameter <cl@linux-foundation.org>,
Pekka Enberg <penberg@cs.helsinki.fi>
Subject: Re: Free memory never fully used, swapping
Date: Thu, 25 Nov 2010 09:13:13 -0800 [thread overview]
Message-ID: <20101125171313.GA15899@hostway.ca> (raw)
In-Reply-To: <20101125191759.F465.A69D9226@jp.fujitsu.com>
On Thu, Nov 25, 2010 at 07:18:49PM +0900, KOSAKI Motohiro wrote:
> This?
> - alloc_gfp = (flags | __GFP_NOWARN | __GFP_NORETRY) & ~__GFP_NOFAIL;
> + alloc_gfp = (flags | __GFP_NOWARN) & ~(__GFP_NOFAIL | __GFP_WAIT);
kswapd still gets woken in the !__GFP_WAIT case, which is what I was
seeing anyway, because the order-3 allocatons were starting from
__alloc_skb().
Simon-
WARNING: multiple messages have this Message-ID (diff)
From: Simon Kirby <sim@hostway.ca>
To: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Shaohua Li <shaohua.li@intel.com>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
Dave Hansen <dave@linux.vnet.ibm.com>,
Christoph Lameter <cl@linux-foundation.org>,
Pekka Enberg <penberg@cs.helsinki.fi>
Subject: Re: Free memory never fully used, swapping
Date: Thu, 25 Nov 2010 09:13:13 -0800 [thread overview]
Message-ID: <20101125171313.GA15899@hostway.ca> (raw)
In-Reply-To: <20101125191759.F465.A69D9226@jp.fujitsu.com>
On Thu, Nov 25, 2010 at 07:18:49PM +0900, KOSAKI Motohiro wrote:
> This?
> - alloc_gfp = (flags | __GFP_NOWARN | __GFP_NORETRY) & ~__GFP_NOFAIL;
> + alloc_gfp = (flags | __GFP_NOWARN) & ~(__GFP_NOFAIL | __GFP_WAIT);
kswapd still gets woken in the !__GFP_WAIT case, which is what I was
seeing anyway, because the order-3 allocatons were starting from
__alloc_skb().
Simon-
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next prev parent reply other threads:[~2010-11-25 17:13 UTC|newest]
Thread overview: 87+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-15 19:52 Free memory never fully used, swapping Simon Kirby
2010-11-22 23:44 ` Andrew Morton
2010-11-22 23:44 ` Andrew Morton
2010-11-23 1:34 ` Simon Kirby
2010-11-23 1:34 ` Simon Kirby
2010-11-23 8:35 ` Dave Hansen
2010-11-23 8:35 ` Dave Hansen
2010-11-24 8:46 ` Simon Kirby
2010-11-24 8:46 ` Simon Kirby
2010-11-25 1:07 ` Shaohua Li
2010-11-25 1:07 ` Shaohua Li
2010-11-25 9:03 ` Simon Kirby
2010-11-25 9:03 ` Simon Kirby
2010-11-25 10:18 ` KOSAKI Motohiro
2010-11-25 10:18 ` KOSAKI Motohiro
2010-11-25 17:13 ` Simon Kirby [this message]
2010-11-25 17:13 ` Simon Kirby
2010-11-26 0:33 ` KOSAKI Motohiro
2010-11-26 0:33 ` KOSAKI Motohiro
2010-11-25 10:51 ` KOSAKI Motohiro
2010-11-25 10:51 ` KOSAKI Motohiro
2010-11-25 16:15 ` Mel Gorman
2010-11-25 16:15 ` Mel Gorman
2010-11-26 2:00 ` Shaohua Li
2010-11-26 2:00 ` Shaohua Li
2010-11-26 2:31 ` KOSAKI Motohiro
2010-11-26 2:31 ` KOSAKI Motohiro
2010-11-26 2:40 ` Shaohua Li
2010-11-26 2:40 ` Shaohua Li
2010-11-26 9:18 ` KOSAKI Motohiro
2010-11-26 9:18 ` KOSAKI Motohiro
2010-11-29 1:03 ` Shaohua Li
2010-11-29 1:03 ` Shaohua Li
2010-11-29 1:13 ` KOSAKI Motohiro
2010-11-29 1:13 ` KOSAKI Motohiro
2010-11-26 0:07 ` KOSAKI Motohiro
2010-11-26 0:07 ` KOSAKI Motohiro
2010-11-25 16:12 ` Mel Gorman
2010-11-25 16:12 ` Mel Gorman
2010-11-26 1:05 ` Shaohua Li
2010-11-26 1:05 ` Shaohua Li
2010-11-26 1:25 ` Mel Gorman
2010-11-26 1:25 ` Mel Gorman
2010-11-26 2:05 ` Shaohua Li
2010-11-26 2:05 ` Shaohua Li
2010-11-26 11:03 ` KOSAKI Motohiro
2010-11-26 11:03 ` KOSAKI Motohiro
2010-11-26 11:11 ` Mel Gorman
2010-11-26 11:11 ` Mel Gorman
2010-11-30 6:31 ` KOSAKI Motohiro
2010-11-30 6:31 ` KOSAKI Motohiro
2010-11-30 10:41 ` Mel Gorman
2010-11-30 10:41 ` Mel Gorman
2010-11-30 11:19 ` KOSAKI Motohiro
2010-11-30 11:19 ` KOSAKI Motohiro
2010-11-30 8:22 ` Simon Kirby
2010-11-30 8:22 ` Simon Kirby
2010-11-29 9:31 ` KOSAKI Motohiro
2010-11-29 9:31 ` KOSAKI Motohiro
2010-11-23 10:04 ` Mel Gorman
2010-11-23 10:04 ` Mel Gorman
2010-11-24 6:43 ` Simon Kirby
2010-11-24 6:43 ` Simon Kirby
2010-11-24 9:27 ` Mel Gorman
2010-11-24 9:27 ` Mel Gorman
2010-11-24 19:17 ` Simon Kirby
2010-11-24 19:17 ` Simon Kirby
2010-11-25 1:18 ` KOSAKI Motohiro
2010-11-25 1:18 ` KOSAKI Motohiro
2010-11-26 15:48 ` Christoph Lameter
2010-11-26 15:48 ` Christoph Lameter
2010-11-30 0:25 ` KOSAKI Motohiro
2010-11-30 0:25 ` KOSAKI Motohiro
2010-11-30 19:10 ` Christoph Lameter
2010-11-30 19:10 ` Christoph Lameter
2010-12-01 10:17 ` KOSAKI Motohiro
2010-12-01 10:17 ` KOSAKI Motohiro
2010-12-01 15:29 ` Christoph Lameter
2010-12-01 15:29 ` Christoph Lameter
2010-12-02 2:44 ` KOSAKI Motohiro
2010-12-02 2:44 ` KOSAKI Motohiro
2010-12-02 14:39 ` Christoph Lameter
2010-12-02 14:39 ` Christoph Lameter
2010-11-30 9:13 ` Simon Kirby
2010-11-30 9:13 ` Simon Kirby
2010-11-30 19:13 ` Christoph Lameter
2010-11-30 19:13 ` Christoph Lameter
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