From: Christoph Lameter <clameter@sgi.com>
To: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
Cc: akpm@linux-foundation.org, linux-mm@kvack.org, ak@suse.de,
eric.whitney@hp.com, mel@skynet.ie
Subject: Re: [PATCH/RFC 4/4] Mem Policy: Fixup Fallback for Default Shmem Policy
Date: Tue, 23 Oct 2007 09:23:32 -0700 (PDT) [thread overview]
Message-ID: <Pine.LNX.4.64.0710230922270.18445@schroedinger.engr.sgi.com> (raw)
In-Reply-To: <1193156105.5859.28.camel@localhost>
On Tue, 23 Oct 2007, Lee Schermerhorn wrote:
> Christoph: just getting back to this. You sent two messages commented
> about this patch. I'm not sure whether this one supercedes the previous
> one or adds to it. So, I'll address the points in your other comment
> separately.
It supersedes one earlier comment.
> Re: this patch: I can see how we need to grab the mmap_sem during
> do_set_mempolicy() to coordinate with the numa_maps display. However,
> shouldn't we use {down|up}_write() here to obtain exclusive access with
> respect to numa_maps ?
Right. We must obtain a writelock.
--
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:[~2007-10-23 16:23 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-12 15:48 [PATCH/RFC 0/4] More Mempolicy Reference Counting Fixes Lee Schermerhorn
2007-10-12 15:49 ` [PATCH/RFC 1/4] Mem Policy: fix mempolicy usage in pci driver Lee Schermerhorn
2007-10-12 17:29 ` Christoph Lameter
2007-10-12 15:49 ` [PATCH/RFC 2/4] Mem Policy: Fixup Shm and Interleave Policy Reference Counting Lee Schermerhorn
2007-10-12 17:30 ` Christoph Lameter
2007-10-12 15:49 ` [PATCH/RFC 3/4] Mem Policy: Fixup " Lee Schermerhorn
2007-10-12 17:33 ` Christoph Lameter
2007-10-12 15:49 ` [PATCH/RFC 4/4] Mem Policy: Fixup Fallback for Default Shmem Policy Lee Schermerhorn
2007-10-12 17:57 ` Christoph Lameter
2007-10-15 19:34 ` Christoph Lameter
2007-10-23 16:15 ` Lee Schermerhorn
2007-10-23 16:23 ` Christoph Lameter [this message]
2007-10-23 17:32 ` Lee Schermerhorn
2007-10-24 13:09 ` 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=Pine.LNX.4.64.0710230922270.18445@schroedinger.engr.sgi.com \
--to=clameter@sgi.com \
--cc=Lee.Schermerhorn@hp.com \
--cc=ak@suse.de \
--cc=akpm@linux-foundation.org \
--cc=eric.whitney@hp.com \
--cc=linux-mm@kvack.org \
--cc=mel@skynet.ie \
/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;
as well as URLs for NNTP newsgroup(s).