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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next prev parent 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 [PATCH] Warn if we run out of swap space 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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