mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: Andrew Morton <akpm@linux-foundation.org>
To: "Zdenek Kabelac" <zdenek.kabelac@gmail.com>
Cc: johannes@sipsolutions.net, tomasw@gmail.com, riel@redhat.com,
	linux-kernel@vger.kernel.org, yi.zhu@intel.com,
	reinette.chatre@intel.com, linux-wireless@vger.kernel.org
Subject: Re: Problem: Out of memory after 2days with 2GB RAM
Date: Thu, 12 Jun 2008 17:43:57 -0700	[thread overview]
Message-ID: <20080612174357.ed9dc10a.akpm@linux-foundation.org> (raw)
In-Reply-To: <c4e36d110806121311n64890e17h67f49c32481fbb28@mail.gmail.com>

On Thu, 12 Jun 2008 22:11:32 +0200
"Zdenek Kabelac" <zdenek.kabelac@gmail.com> wrote:

> Well - it's great that there will be saved few kB in allocation of
> never used pointers in iwl driver - but does this really solve the
> problem that kernel gets relatively quickly out of memory for
> allocations of this size - I guess iwl isn't the only driver
> requesting 32 sequential pages.

I hope it is the only one.  Doing a 128kb GFP_ATOMIC allocation is
hopelessly unreliable.  Even a 128k GFP_KERNEL allocation will fail all
over the place.

Please convert the driver to allocate no more than 4k at a time.

  parent reply	other threads:[~2008-06-13  0:45 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-06-12 10:07 Zdenek Kabelac
2008-06-12 13:38 ` Rik van Riel
2008-06-12 13:54   ` Johannes Berg
2008-06-12 14:12     ` Zdenek Kabelac
2008-06-12 14:19       ` Johannes Berg
2008-06-12 16:38       ` Tomas Winkler
2008-06-12 15:43     ` Tomas Winkler
2008-06-12 16:35       ` Tomas Winkler
2008-06-12 17:05         ` Johannes Berg
2008-06-12 17:39           ` Tomas Winkler
2008-06-12 17:46             ` Johannes Berg
2008-06-12 18:03               ` Tomas Winkler
2008-06-12 18:15                 ` Johannes Berg
2008-06-12 20:11                   ` Zdenek Kabelac
2008-06-12 22:17                     ` Tomas Winkler
2008-06-13  0:43                     ` Andrew Morton [this message]
2008-06-12 18:41               ` John W. Linville
2008-06-12 17:03       ` Johannes Berg
2008-06-12 17:35         ` Tomas Winkler
2008-06-12 17:39           ` Johannes Berg
2008-06-12 17:50             ` Tomas Winkler
2008-06-12 17:10       ` Rik van Riel
2008-06-12 21:30       ` Jiri Slaby
2008-06-12 22:26         ` Tomas Winkler
2008-06-13 14:08 ` Rafael J. Wysocki
2008-06-13 14:15   ` Zdenek Kabelac
2008-06-30 11:30     ` Zdenek Kabelac

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20080612174357.ed9dc10a.akpm@linux-foundation.org \
    --to=akpm@linux-foundation.org \
    --cc=johannes@sipsolutions.net \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-wireless@vger.kernel.org \
    --cc=reinette.chatre@intel.com \
    --cc=riel@redhat.com \
    --cc=tomasw@gmail.com \
    --cc=yi.zhu@intel.com \
    --cc=zdenek.kabelac@gmail.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®