linux-kernel - Re: [PATCH 3/9] mm/rmap: factor lock function out of rmap_walk

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]

Message-ID: <1386014964-wqgf1m0u-mutt-n-horiguchi@ah.jp.nec.com>
Date:	Mon, 02 Dec 2013 15:09:24 -0500
From:	Naoya Horiguchi <n-horiguchi@...jp.nec.com>
To:	Joonsoo Kim <iamjoonsoo.kim@....com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Mel Gorman <mgorman@...e.de>, Hugh Dickins <hughd@...gle.com>,
	Rik van Riel <riel@...hat.com>,
	Ingo Molnar <mingo@...nel.org>,
	Hillf Danton <dhillf@...il.com>, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org, Joonsoo Kim <js1304@...il.com>
Subject: Re: [PATCH 3/9] mm/rmap: factor lock function out of rmap_walk_anon()

On Thu, Nov 28, 2013 at 04:48:40PM +0900, Joonsoo Kim wrote:
> When we traverse anon_vma, we need to take a read-side anon_lock.
> But there is subtle difference in the situation so that we can't use
> same method to take a lock in each cases. Therefore, we need to make
> rmap_walk_anon() taking difference lock function.
> 
> This patch is the first step, factoring lock function for anon_lock out
> of rmap_walk_anon(). It will be used in case of removing migration entry
> and in default of rmap_walk_anon().
> 
> Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@....com>

Reviewed-by: Naoya Horiguchi <n-horiguchi@...jp.nec.com>
--
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/