From: Linus Torvalds <torvalds@linux-foundation.org>
To: Christoph Lameter <clameter@sgi.com>
Cc: "Siddha, Suresh B" <suresh.b.siddha@intel.com>,
akpm@linux-foundation.org, ak@suse.de,
linux-kernel@vger.kernel.org, tony.luck@intel.com,
asit.k.mallick@intel.com
Subject: Re: x86_64: potential critical issue with quicklists and page table pages
Date: Fri, 21 Sep 2007 11:55:19 -0700 (PDT) [thread overview]
Message-ID: <alpine.LFD.0.999.0709211153060.16478@woody.linux-foundation.org> (raw)
In-Reply-To: <Pine.LNX.4.64.0709211149040.17160@schroedinger.engr.sgi.com>
On Fri, 21 Sep 2007, Christoph Lameter wrote:
>
> The quicklists collect pages while we gather pages for TLB flushing.
> These pages must be kept until the actual TLB flush has occurred. The
> optimization of releasing off node pages early is therefore not valid.
That should be the "mmu_gather" structure, not the quicklists.
Linus
next prev parent reply other threads:[~2007-09-21 18:55 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-21 18:07 Siddha, Suresh B
2007-09-21 18:18 ` Andi Kleen
2007-09-21 18:48 ` Linus Torvalds
2007-09-21 18:50 ` Christoph Lameter
2007-09-21 18:55 ` Linus Torvalds [this message]
2007-09-21 19:05 ` Linus Torvalds
2007-09-21 19:07 ` Christoph Lameter
2007-09-21 19:21 ` Linus Torvalds
2007-09-21 19:26 ` Christoph Lameter
2007-09-21 19:40 ` Linus Torvalds
2007-09-21 19:44 ` Linus Torvalds
2007-09-21 19:56 ` Christoph Lameter
2007-09-21 19:59 ` Luck, Tony
2007-09-21 20:15 ` Christoph Lameter
2007-09-24 21:27 ` Benjamin Herrenschmidt
2007-09-24 21:42 ` Christoph Lameter
2007-09-25 0:09 ` Benjamin Herrenschmidt
2007-09-21 18:48 ` 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=alpine.LFD.0.999.0709211153060.16478@woody.linux-foundation.org \
--to=torvalds@linux-foundation.org \
--cc=ak@suse.de \
--cc=akpm@linux-foundation.org \
--cc=asit.k.mallick@intel.com \
--cc=clameter@sgi.com \
--cc=linux-kernel@vger.kernel.org \
--cc=suresh.b.siddha@intel.com \
--cc=tony.luck@intel.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®