From: Andrey Ryabinin <a.ryabinin@samsung.com>
To: Dmitry Vyukov <dvyukov@google.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Christoph Lameter <cl@linux.com>,
David Rientjes <rientjes@google.com>,
Joonsoo Kim <iamjoonsoo.kim@lge.com>,
Pekka Enberg <penberg@kernel.org>,
Linux Memory Management List <linux-mm@kvack.org>,
Sasha Levin <sasha.levin@oracle.com>,
Dmitry Chernenkov <dmitryc@google.com>,
Konstantin Khlebnikov <koct9i@gmail.com>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [RFC] slub memory quarantine
Date: Tue, 03 Mar 2015 18:39:56 +0300 [thread overview]
Message-ID: <54F5D5CC.6070901@samsung.com> (raw)
In-Reply-To: <CACT4Y+YQ3cuUvRrT_19RbxFVWHGnzviSFi0-ud88jq9g9jUZog@mail.gmail.com>
On 03/03/2015 12:10 PM, Dmitry Vyukov wrote:
> Please hold on with this.
> Dmitry Chernenkov is working on a quarantine that works with both slub
> and slab, does not cause spurious OOMs and does not depend on
> slub-debug which has unacceptable performance (acquires global lock).
I think that it's a separate issue. KASan already depend on slub_debug - it required for redzones/user tracking.
I think that some parts slub debugging (like user tracking and this quarantine)
could be moved (for CONFIG_KASAN=y) to the fast path without any locking.
> Me or Dmitry C will send an email to kasan-dev@googlegroups.com to
> discuss quarantine development direction.
>
--
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>
WARNING: multiple messages have this Message-ID (diff)
From: Andrey Ryabinin <a.ryabinin@samsung.com>
To: Dmitry Vyukov <dvyukov@google.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Christoph Lameter <cl@linux.com>,
David Rientjes <rientjes@google.com>,
Joonsoo Kim <iamjoonsoo.kim@lge.com>,
Pekka Enberg <penberg@kernel.org>,
Linux Memory Management List <linux-mm@kvack.org>,
Sasha Levin <sasha.levin@oracle.com>,
Dmitry Chernenkov <dmitryc@google.com>,
Konstantin Khlebnikov <koct9i@gmail.com>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [RFC] slub memory quarantine
Date: Tue, 03 Mar 2015 18:39:56 +0300 [thread overview]
Message-ID: <54F5D5CC.6070901@samsung.com> (raw)
In-Reply-To: <CACT4Y+YQ3cuUvRrT_19RbxFVWHGnzviSFi0-ud88jq9g9jUZog@mail.gmail.com>
On 03/03/2015 12:10 PM, Dmitry Vyukov wrote:
> Please hold on with this.
> Dmitry Chernenkov is working on a quarantine that works with both slub
> and slab, does not cause spurious OOMs and does not depend on
> slub-debug which has unacceptable performance (acquires global lock).
I think that it's a separate issue. KASan already depend on slub_debug - it required for redzones/user tracking.
I think that some parts slub debugging (like user tracking and this quarantine)
could be moved (for CONFIG_KASAN=y) to the fast path without any locking.
> Me or Dmitry C will send an email to kasan-dev@googlegroups.com to
> discuss quarantine development direction.
>
next prev parent reply other threads:[~2015-03-03 15:40 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-03 8:55 [RFC] slub memory quarantine Andrey Ryabinin
2015-03-03 8:55 ` Andrey Ryabinin
2015-03-03 9:10 ` Dmitry Vyukov
2015-03-03 9:10 ` Dmitry Vyukov
2015-03-03 15:39 ` Andrey Ryabinin [this message]
2015-03-03 15:39 ` Andrey Ryabinin
2015-03-03 16:42 ` Christoph Lameter
2015-03-03 16:42 ` Christoph Lameter
2015-03-03 17:36 ` Dmitry Chernenkov
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=54F5D5CC.6070901@samsung.com \
--to=a.ryabinin@samsung.com \
--cc=akpm@linux-foundation.org \
--cc=cl@linux.com \
--cc=dmitryc@google.com \
--cc=dvyukov@google.com \
--cc=iamjoonsoo.kim@lge.com \
--cc=koct9i@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=penberg@kernel.org \
--cc=rientjes@google.com \
--cc=sasha.levin@oracle.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.