linux-kernel - Re: [PATCH] mm: use pagevec to rotate reclaimable page

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: <20070918104435.2ba25ff3.akpm@linux-foundation.org>
Date:	Tue, 18 Sep 2007 10:44:35 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Nick Piggin <nickpiggin@...oo.com.au>
Cc:	Hisashi Hifumi <hifumi.hisashi@....ntt.co.jp>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH] mm: use pagevec to rotate reclaimable page

On Tue, 18 Sep 2007 11:29:50 +1000 Nick Piggin <nickpiggin@...oo.com.au> wrote:

> It would be interesting to test -mm kernels. They have a patch which reduces
> zone lock contention quite a lot.

They do?  Which patch?

> I think your patch is a nice idea, and with less zone lock contention in other
> areas, it is possible that it might produce a relatively larger improvement.

I'm a bit wobbly about this patch - it adds additional single-cpu overhead
to reduce multiple-cpu overhead and latency.
-
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/