From: Marcelo Tosatti <marcelo.tosatti@cyclades.com>
To: Stefan Schmidt <zaphodb@zaphods.net>
Cc: Nick Piggin <piggin@cyberone.com.au>,
Andrew Morton <akpm@osdl.org>,
linux-kernel@vger.kernel.org, netdev@oss.sgi.com
Subject: Re: 2.6.10-rc1-mm4 -1 EAGAIN after allocation failure was: Re: Kernel 2.6.9 Multiple Page Allocation Failures
Date: Wed, 10 Nov 2004 08:56:21 -0200 [thread overview]
Message-ID: <20041110105621.GA11097@logos.cnet> (raw)
In-Reply-To: <20041110124810.GG28163@zaphods.net>
On Wed, Nov 10, 2004 at 01:48:11PM +0100, Stefan Schmidt wrote:
> On Wed, Nov 10, 2004 at 06:58:31AM -0200, Marcelo Tosatti wrote:
> > > > > Can you try the following patch, please? It is diffed against 2.6.10-rc1,
> > > I did. No apparent change with mm4 and vm.min_free_kbytes = 8192. I will try
> > > latest bk next.
>
> > > > I set it back to CONFIG_PACKET_MMAP=y and if the application does not freeze
> > > > for some hours at this load we can blame at least this issue (-1 EAGAIN) on
> > > > that parameter.
> > > Nope, that didn't change anything, still getting EAGAIN, checked two times.
> > Its not clear to me - do you have Nick's watermark patch in?
> Yes i have vm.min_free_kbytes=8192 and Nick's patch in mm4. I'll try
> rc1-bk19 with his restore-atomic-buffer patch in a few minutes.
Stefan,
Please always run your tests with show_free_area() call at the
page allocation failure path.
I fully disagree with Andrew when he says
"I don't think it'd help much - we know what's happening."
next prev parent reply other threads:[~2004-11-10 10:56 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20041103222447.GD28163@zaphods.net>
[not found] ` <20041104121722.GB8537@logos.cnet>
[not found] ` <20041104181856.GE28163@zaphods.net>
[not found] ` <20041109164113.GD7632@logos.cnet>
[not found] ` <20041109223558.GR1309@mail.muni.cz>
[not found] ` <20041109144607.2950a41a.akpm@osdl.org>
[not found] ` <20041109235201.GC20754@zaphods.net>
[not found] ` <20041110012733.GD20754@zaphods.net>
2004-11-10 1:39 ` 2.6.10-rc1-mm4 -1 EAGAIN after allocation failure was: Re: Kernel 2.6.9 Multiple Page Allocation Failures Andrew Morton
2004-11-10 2:03 ` Stefan Schmidt
2004-11-10 2:21 ` Andrew Morton
2004-11-10 4:24 ` Nick Piggin
2004-11-10 10:28 ` Stefan Schmidt
2004-11-10 12:06 ` Stefan Schmidt
2004-11-10 8:58 ` Marcelo Tosatti
2004-11-10 12:48 ` Stefan Schmidt
2004-11-10 10:56 ` Marcelo Tosatti [this message]
2004-11-11 1:23 ` Nick Piggin
2004-11-11 18:31 ` jhigdon
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