From: Andy Whitcroft <apw@shadowen.org>
To: Robin Holt <holt@sgi.com>
Cc: Dave Hansen <haveblue@us.ibm.com>,
lhms <lhms-devel@lists.sourceforge.net>,
linux-mm <linux-mm@kvack.org>
Subject: Re: [RFC] consistency of zone->zone_start_pfn, spanned_pages
Date: Tue, 17 May 2005 10:50:28 +0100 [thread overview]
Message-ID: <4289BE64.8070605@shadowen.org> (raw)
In-Reply-To: <20050513182446.GA23416@lnx-holt.americas.sgi.com>
Robin Holt wrote:
> do {
> start_pfn = zone->zone_start_pfn;
> spanned_pages = zone->spanned_pages;
> while (unlikely(start_pfn != zone->zone_start_pfn));
Whilst like a seq_lock, without the memory barriers this isn't safe right?
-apw
--
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:"aart@kvack.org"> aart@kvack.org </a>
next prev parent reply other threads:[~2005-05-17 9:50 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-05-13 16:00 [RFC] consistency of zone->zone_start_pfn, spanned_pages Dave Hansen
2005-05-13 18:24 ` Robin Holt
2005-05-13 18:31 ` Dave Hansen
2005-05-17 9:50 ` Andy Whitcroft [this message]
2005-05-17 10:46 ` Robin Holt
2005-05-17 0:40 ` [Lhms-devel] " KAMEZAWA Hiroyuki
2005-05-17 5:43 ` Yasunori Goto
2005-05-17 12:32 ` Andy Whitcroft
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=4289BE64.8070605@shadowen.org \
--to=apw@shadowen.org \
--cc=haveblue@us.ibm.com \
--cc=holt@sgi.com \
--cc=lhms-devel@lists.sourceforge.net \
--cc=linux-mm@kvack.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 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.