From: Pekka Enberg <penberg@cs.helsinki.fi>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Hugh Dickins <hugh@veritas.com>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Christoph Lameter <clameter@sgi.com>,
James Bottomley <James.Bottomley@HansenPartnership.com>,
Andrew Morton <akpm@linux-foundation.org>,
FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>,
Jens Axboe <jens.axboe@oracle.com>,
"Rafael J. Wysocki" <rjw@sisk.pl>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] scsi: fix sense_slab/bio swapping livelock
Date: Tue, 08 Apr 2008 00:34:54 +0300 [thread overview]
Message-ID: <47FA937E.6000009@cs.helsinki.fi> (raw)
In-Reply-To: <alpine.LFD.1.00.0804071409150.2886@woody.linux-foundation.org>
Hi Linus,
Linus Torvalds wrote:
> I suspect the right thing to do is not to mark them for "IO", but mark
> them for "short-lived", and allow short-lived allocations that don't have
> extended lifetimes to succeed even when a "real" allocation wouldn't.
Yeah, makes sense. We do have GFP_TEMPORARY so we could associate this
new semantics with that. But the real problem here is how to do the
"allocate harder" part which, btw, sounds very similar to what Peter's
kmalloc reserve patches try to do...
Pekka
next prev parent reply other threads:[~2008-04-07 21:36 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-06 22:56 [PATCH] scsi: fix sense_slab/bio swapping livelock Hugh Dickins
2008-04-06 23:35 ` James Bottomley
2008-04-07 1:01 ` Hugh Dickins
2008-04-07 17:51 ` Hugh Dickins
2008-04-07 18:04 ` James Bottomley
2008-04-07 18:26 ` Hugh Dickins
2008-04-07 2:48 ` FUJITA Tomonori
2008-04-07 18:07 ` Hugh Dickins
2008-04-08 14:04 ` FUJITA Tomonori
2008-04-07 5:26 ` Christoph Lameter
2008-04-07 19:40 ` Hugh Dickins
2008-04-07 19:55 ` Peter Zijlstra
2008-04-07 20:31 ` Hugh Dickins
2008-04-07 20:47 ` Peter Zijlstra
2008-04-07 21:00 ` Pekka Enberg
2008-04-07 21:05 ` Pekka Enberg
2008-04-07 21:15 ` Linus Torvalds
2008-04-07 21:34 ` Pekka Enberg [this message]
2008-04-07 21:39 ` Pekka Enberg
2008-04-07 22:05 ` Pekka J Enberg
2008-04-07 22:17 ` Linus Torvalds
2008-04-07 22:42 ` Pekka Enberg
2008-04-08 20:42 ` Pekka J Enberg
2008-04-08 20:44 ` Pekka Enberg
2008-04-08 20:45 ` Christoph Lameter
2008-04-08 21:11 ` Pekka Enberg
2008-04-08 21:40 ` Peter Zijlstra
2008-04-07 21:30 ` Hugh Dickins
2008-04-07 21:36 ` Pekka Enberg
2008-04-08 20:43 ` Christoph Lameter
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=47FA937E.6000009@cs.helsinki.fi \
--to=penberg@cs.helsinki.fi \
--cc=James.Bottomley@HansenPartnership.com \
--cc=a.p.zijlstra@chello.nl \
--cc=akpm@linux-foundation.org \
--cc=clameter@sgi.com \
--cc=fujita.tomonori@lab.ntt.co.jp \
--cc=hugh@veritas.com \
--cc=jens.axboe@oracle.com \
--cc=linux-kernel@vger.kernel.org \
--cc=rjw@sisk.pl \
--cc=torvalds@linux-foundation.org \
/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