From: Christoph Lameter <cl@linux-foundation.org>
To: Minchan Kim <minchan.kim@gmail.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Milton Miller <miltonm@bga.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Andrew Morton <akpm@linux-foundation.org>,
Russell King <linux@arm.linux.org.uk>, Mel Gorman <mel@csn.ul.ie>,
Johannes Weiner <hannes@cmpxchg.org>,
Kukjin Kim <kgene.kim@samsung.com>
Subject: Re: [PATCH] Tight check of pfn_valid on sparsemem - v4
Date: Tue, 27 Jul 2010 09:34:59 -0500 (CDT) [thread overview]
Message-ID: <alpine.DEB.2.00.1007270929290.28648@router.home> (raw)
In-Reply-To: <AANLkTikCsGHshU8v86SQiuO+UZBCbdjOKN=GyJFPb7rY@mail.gmail.com>
On Tue, 27 Jul 2010, Minchan Kim wrote:
> But in fact I have a concern to use PG_reserved since it can be used
> afterward pfn_valid normally to check hole in non-hole system. So I
> think it's redundant.
PG_reserved is already used to mark pages not handled by the page
allocator (see mmap_init_zone).
next prev parent reply other threads:[~2010-07-27 14:35 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-26 15:46 Minchan Kim
2010-07-26 16:40 ` Christoph Lameter
2010-07-26 22:47 ` Minchan Kim
2010-07-27 5:55 ` miltonm
2010-07-27 6:11 ` Minchan Kim
2010-07-27 8:12 ` Milton Miller
2010-07-27 8:13 ` KAMEZAWA Hiroyuki
2010-07-27 10:01 ` Minchan Kim
2010-07-27 14:34 ` Christoph Lameter [this message]
2010-07-27 22:33 ` Minchan Kim
2010-07-28 15:14 ` Christoph Lameter
2010-07-28 15:56 ` Minchan Kim
2010-07-28 17:02 ` Christoph Lameter
2010-07-28 22:57 ` Minchan Kim
2010-07-29 15:46 ` Christoph Lameter
2010-07-29 16:18 ` Minchan Kim
2010-07-29 16:47 ` Christoph Lameter
2010-07-29 17:03 ` Minchan Kim
2010-07-29 17:30 ` Christoph Lameter
2010-07-29 18:33 ` Russell King - ARM Linux
2010-07-29 19:55 ` Christoph Lameter
2010-07-29 21:13 ` Russell King - ARM Linux
2010-07-29 20:55 ` Dave Hansen
2010-07-29 22:14 ` Russell King - ARM Linux
2010-07-29 22:28 ` Christoph Lameter
2010-07-30 0:38 ` Dave Hansen
2010-07-30 9:43 ` Minchan Kim
2010-07-30 12:48 ` Christoph Lameter
2010-07-30 15:43 ` Dave Hansen
2010-07-31 15:30 ` Russell King - ARM Linux
2010-08-02 15:48 ` Christoph Lameter
2010-07-30 9:32 ` Minchan Kim
2010-07-31 10:38 ` Russell King - ARM Linux
2010-08-11 15:31 ` Dave Hansen
2010-07-27 9:56 ` Minchan Kim
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.DEB.2.00.1007270929290.28648@router.home \
--to=cl@linux-foundation.org \
--cc=akpm@linux-foundation.org \
--cc=hannes@cmpxchg.org \
--cc=kamezawa.hiroyu@jp.fujitsu.com \
--cc=kgene.kim@samsung.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=linux@arm.linux.org.uk \
--cc=mel@csn.ul.ie \
--cc=miltonm@bga.com \
--cc=minchan.kim@gmail.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®