mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: Andrew Morton <akpm@osdl.org>
To: Paul Jackson <pj@sgi.com>
Cc: Simon.Derr@bull.net, pj@sgi.com, linux-kernel@vger.kernel.org,
	clameter@sgi.com
Subject: Re: [PATCH] Cpuset: oops in exit on null cpuset fix
Date: Tue, 14 Feb 2006 22:47:10 -0800	[thread overview]
Message-ID: <20060214224710.35887069.akpm@osdl.org> (raw)
In-Reply-To: <20060215063058.22043.61848.sendpatchset@jackhammer.engr.sgi.com>

Paul Jackson <pj@sgi.com> wrote:
>
>  Fix a latent bug in cpuset_exit() handling.  If a task tried
>  to allocate memory after calling cpuset_exit(), it oops'd in
>  cpuset_update_task_memory_state() on a NULL cpuset pointer.
> 
>  So set the exiting tasks cpuset to the root cpuset instead of
>  to NULL.
> 
>  A distro kernel hit this with an added kernel package that had
>  just such a hook (allocating memory) in the exit code path.

Seems strange to patch the kernel for this.  Can't the add-on patch do it? 
Or can we just move the cpuset_exit()s to later in the exit() paths?

  reply	other threads:[~2006-02-15  6:48 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-02-15  6:30 Paul Jackson
2006-02-15  6:47 ` Andrew Morton [this message]
2006-02-15  8:13   ` Paul Jackson

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=20060214224710.35887069.akpm@osdl.org \
    --to=akpm@osdl.org \
    --cc=Simon.Derr@bull.net \
    --cc=clameter@sgi.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=pj@sgi.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®