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From: Andrew Morton <akpm@linux-foundation.org>
To: Christoph Lameter <cl@linux.com>
Cc: lethal@linux-sh.org, randy.dunlap@oracle.com,
	kosaki.motohiro@jp.fujitsu.com, linux-mm@kvack.org, pavel@ucw.cz,
	dave@linux.vnet.ibm.com
Subject: Re: [PATCH] Warn if we run out of swap space
Date: Tue, 26 May 2009 14:01:10 -0700	[thread overview]
Message-ID: <20090526140110.c4a100fb.akpm@linux-foundation.org> (raw)
In-Reply-To: <alpine.DEB.1.10.0905261653160.23631@gentwo.org>

On Tue, 26 May 2009 16:54:58 -0400 (EDT)
Christoph Lameter <cl@linux.com> wrote:

> On Tue, 26 May 2009, Andrew Morton wrote:
> 
> > I still worry that there may be usage patterns which will result in
> > this message coming out many times.
> 
> Note that vm_swa_full is defined the following way
> 
> #define vm_swap_full() (nr_swap_pages*2 < total_swap_pages)
> 
> This means that vm_swap_full is true when more than 50% of swap are in
> use. The printed flag will therefore only be cleared if swap use falls to
> less than half.

(which was highly relevant changelog material)

OK.  But it that optimal?

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  reply	other threads:[~2009-05-26 21:01 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-05-22 18:58 Christoph Lameter
2009-05-22 20:47 ` Pavel Machek
2009-05-23  4:38 ` Andrew Morton
2009-05-25  0:53   ` KAMEZAWA Hiroyuki
2009-05-24 13:44 ` KOSAKI Motohiro
2009-05-25  2:42   ` Randy Dunlap
2009-05-26  0:40     ` KOSAKI Motohiro
2009-05-26  1:05       ` Randy Dunlap
2009-05-26  1:08         ` KOSAKI Motohiro
2009-05-26  3:29     ` Paul Mundt
2009-05-26 14:23       ` Christoph Lameter
2009-05-26 20:15         ` Andrew Morton
2009-05-26 20:45           ` Randy Dunlap
2009-05-26 20:55             ` Andrew Morton
2009-05-27  0:25               ` KAMEZAWA Hiroyuki
2009-05-26 20:54           ` Christoph Lameter
2009-05-26 21:01             ` Andrew Morton [this message]
2009-05-26 21:05               ` Christoph Lameter
2009-05-27  0:42         ` KAMEZAWA Hiroyuki
2009-05-27 13:54           ` Christoph Lameter
2009-06-04  6:02             ` KOSAKI Motohiro
2009-06-01 16:19 ` Avi Kivity
2009-06-01 17:29   ` Christoph Lameter
2009-06-01 17:38     ` Avi Kivity
2009-06-01 19:35   ` Andrew Morton
2009-06-01 19:44     ` Avi Kivity
2009-06-02  9:14       ` Pavel Machek
2009-06-02  9:19         ` Avi Kivity
2009-06-02  9:15       ` Pavel Machek
2009-06-02  9:21         ` Avi Kivity
2009-06-02  9:30           ` Pavel Machek
2009-06-02  9:50             ` Avi Kivity
2009-06-02  9:23         ` Avi Kivity
2009-06-02  9:26           ` Pavel Machek

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