linux-kernel - Re: [PATCH 1/4] mm: workingset: don't drop refault information prematurely fix

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:   Tue, 09 Oct 2018 20:55:28 -0400
From:   Rik van Riel <riel@...riel.com>
To:     Johannes Weiner <hannes@...xchg.org>,
        Andrew Morton <akpm@...ux-foundation.org>
Cc:     Rik van Riel <riel@...hat.com>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, kernel-team@...com
Subject: Re: [PATCH 1/4] mm: workingset: don't drop refault information
 prematurely fix

On Tue, 2018-10-09 at 14:47 -0400, Johannes Weiner wrote:
> The shadow shrinker is invoked per NUMA node, but the shadow limit
> enforced for cgroups is based on the page counter, which isn't NUMA
> aware. Instead of shrinking shadow pages to desired_size, we end up
> with desired_size * nr_online_nodes.
> 
> Switch to NUMA-aware lru and slab counters to approximate cgroup
> size.
> 
> Signed-off-by: Johannes Weiner <hannes@...xchg.org>

Reviewed-by: Rik van Riel <riel@...riel.com>

-- 
All Rights Reversed.

Download attachment "signature.asc" of type "application/pgp-signature" (489 bytes)