From: Andi Kleen <ak@suse.de>
To: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: Paul Jackson <pj@sgi.com>,
akpm@osdl.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH]: Clean up of __alloc_pages
Date: Mon, 7 Nov 2005 04:42:58 +0100 [thread overview]
Message-ID: <200511070442.58876.ak@suse.de> (raw)
In-Reply-To: <436EC2AF.4020202@yahoo.com.au>
On Monday 07 November 2005 03:57, Nick Piggin wrote:
>
> I don't think so because if the cpuset can be freed, then its page
> might be unmapped from the kernel address space if use-after-free
> debugging is turned on. And this is a use after free :)
RCU could be used to avoid that. Just only free it in a RCU callback.
-Andi
WARNING: multiple messages have this Message-ID (diff)
From: Andi Kleen <ak@suse.de>
To: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: Paul Jackson <pj@sgi.com>,
akpm@osdl.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH]: Clean up of __alloc_pages
Date: Mon, 7 Nov 2005 04:42:58 +0100 [thread overview]
Message-ID: <200511070442.58876.ak@suse.de> (raw)
In-Reply-To: <436EC2AF.4020202@yahoo.com.au>
On Monday 07 November 2005 03:57, Nick Piggin wrote:
>
> I don't think so because if the cpuset can be freed, then its page
> might be unmapped from the kernel address space if use-after-free
> debugging is turned on. And this is a use after free :)
RCU could be used to avoid that. Just only free it in a RCU callback.
-Andi
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2005-11-07 3:43 UTC|newest]
Thread overview: 90+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-10-29 1:33 [PATCH]: Clean up of __alloc_pages Rohit, Seth
2005-10-29 1:33 ` Rohit, Seth
2005-10-29 2:33 ` Nick Piggin
2005-10-29 2:33 ` Nick Piggin
2005-10-31 20:55 ` Rohit Seth
2005-10-31 20:55 ` Rohit Seth
2005-11-01 1:14 ` Nick Piggin
2005-11-01 1:14 ` Nick Piggin
2005-11-04 18:15 ` Rohit Seth
2005-11-04 18:15 ` Rohit Seth
2005-11-05 0:00 ` Nick Piggin
2005-11-05 0:00 ` Nick Piggin
2005-10-30 0:16 ` Paul Jackson
2005-10-30 0:16 ` Paul Jackson
2005-10-31 19:09 ` Rohit Seth
2005-10-31 19:09 ` Rohit Seth
2005-11-05 17:09 ` Andi Kleen
2005-11-05 17:09 ` Andi Kleen
2005-11-06 4:18 ` Paul Jackson
2005-11-06 4:18 ` Paul Jackson
2005-11-06 17:35 ` Andi Kleen
2005-11-06 17:35 ` Andi Kleen
2005-11-06 20:49 ` Paul Jackson
2005-11-06 20:49 ` Paul Jackson
2005-11-07 2:57 ` Nick Piggin
2005-11-07 2:57 ` Nick Piggin
2005-11-07 3:42 ` Andi Kleen [this message]
2005-11-07 3:42 ` Andi Kleen
2005-11-07 4:37 ` Paul Jackson
2005-11-07 4:37 ` Paul Jackson
2005-11-07 6:08 ` Nick Piggin
2005-11-07 6:08 ` Nick Piggin
2005-11-07 9:46 ` Paul Jackson
2005-11-07 9:46 ` Paul Jackson
2005-11-07 10:17 ` Nick Piggin
2005-11-07 10:17 ` Nick Piggin
2005-11-07 14:41 ` Paul Jackson
2005-11-07 14:41 ` Paul Jackson
2005-11-07 3:44 ` Paul Jackson
2005-11-07 3:44 ` Paul Jackson
2005-10-30 1:47 ` Paul Jackson
2005-10-30 1:47 ` Paul Jackson
2005-10-30 2:01 ` Nick Piggin
2005-10-30 2:01 ` Nick Piggin
2005-10-30 2:19 ` Paul Jackson
2005-10-30 2:19 ` Paul Jackson
2005-10-30 2:32 ` Nick Piggin
2005-10-30 2:32 ` Nick Piggin
2005-10-30 3:06 ` Paul Jackson
2005-10-30 3:06 ` Paul Jackson
2005-10-30 3:53 ` Nick Piggin
2005-10-30 3:53 ` Nick Piggin
2005-10-30 2:26 ` Paul Jackson
2005-10-30 2:26 ` Paul Jackson
2005-10-30 2:36 ` Nick Piggin
2005-10-30 2:36 ` Nick Piggin
2005-10-30 3:09 ` Paul Jackson
2005-10-30 3:09 ` Paul Jackson
2005-10-30 3:55 ` Nick Piggin
2005-10-30 3:55 ` Nick Piggin
2005-10-30 4:11 ` Paul Jackson
2005-10-30 4:11 ` Paul Jackson
2005-10-31 21:20 ` Rohit Seth
2005-10-31 21:20 ` Rohit Seth
2005-10-31 21:28 ` Paul Jackson
2005-10-31 21:28 ` Paul Jackson
-- strict thread matches above, loose matches on Subject: below --
2005-11-05 1:57 Seth, Rohit
2005-11-05 1:57 ` Seth, Rohit
2005-10-01 19:00 Seth, Rohit
2005-10-01 19:00 ` Seth, Rohit
2005-10-02 3:09 ` Nick Piggin
2005-10-02 3:09 ` Nick Piggin
2005-10-03 16:50 ` Rohit Seth
2005-10-03 16:50 ` Rohit Seth
2005-10-03 15:34 ` Christoph Lameter
2005-10-03 15:34 ` Christoph Lameter
2005-10-03 16:55 ` Rohit Seth
2005-10-03 16:55 ` Rohit Seth
2005-10-03 16:57 ` Christoph Lameter
2005-10-03 16:57 ` Christoph Lameter
2005-10-03 17:48 ` Rohit Seth
2005-10-03 17:48 ` Rohit Seth
2005-10-04 13:27 ` Andi Kleen
2005-10-04 13:27 ` Andi Kleen
2005-10-04 16:26 ` Ray Bryant
2005-10-04 16:26 ` Ray Bryant
2005-10-04 16:10 ` Martin J. Bligh
2005-10-04 16:10 ` Martin J. Bligh
2005-10-04 17:02 ` Ray Bryant
2005-10-04 17:02 ` Ray Bryant
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=200511070442.58876.ak@suse.de \
--to=ak@suse.de \
--cc=akpm@osdl.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=nickpiggin@yahoo.com.au \
--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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.