linux-kernel - Re: [PATCH -mm] mm: minor fixes for compaction

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Wed, 04 Jul 2012 11:36:50 +0900
From:	Minchan Kim <minchan@...nel.org>
To:	Rik van Riel <riel@...hat.com>
CC:	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	Mel Gorman <mel@....ul.ie>,
	Andrew Morton <akpm@...ux-foundation.org>, jaschut@...dia.gov,
	kamezawa.hiroyu@...fujitsu.com
Subject: Re: [PATCH -mm] mm: minor fixes for compaction

On 07/04/2012 05:13 AM, Rik van Riel wrote:

> This patch makes the comment for cc->wrapped longer, explaining
> what is really going on. It also incorporates the comment fix
> pointed out by Minchan.
> 
> Additionally, Minchan found that, when no pages get isolated,
> high_pte could be a value that is much lower than desired,
> which might potentially cause compaction to skip a range of
> pages.
> 
> Only assign zone->compact_cache_free_pfn if we actually
> isolated free pages for compaction.
> 
> Signed-off-by: Rik van Riel <riel@...hat.com>


Reviewed-by: Minchan Kim <minchan@...nel.org>

> ---
> This does not address the one bit in Minchan's review that I am not sure about...


About this part, let's wait of Mel's opinion.

Thanks.
-- 
Kind regards,
Minchan Kim
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/