linux-kernel - Re: [PATCH] sched/debug: Remove mpol_get/put and task_lock/unlock from sched_show

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: <20220118102019.GS3301@suse.de>
Date:   Tue, 18 Jan 2022 10:20:19 +0000
From:   Mel Gorman <mgorman@...e.de>
To:     Bharata B Rao <bharata@....com>
Cc:     linux-kernel@...r.kernel.org, mingo@...hat.com,
        peterz@...radead.org, juri.lelli@...hat.com,
        vincent.guittot@...aro.org, dietmar.eggemann@....com,
        rostedt@...dmis.org, bsegall@...gle.com, bristot@...hat.com,
        srikar@...ux.vnet.ibm.com, riel@...riel.com
Subject: Re: [PATCH] sched/debug: Remove mpol_get/put and task_lock/unlock
 from sched_show_numa

On Tue, Jan 18, 2022 at 10:35:15AM +0530, Bharata B Rao wrote:
> The older format of /proc/pid/sched printed home node info which
> required the mempolicy and task lock around mpol_get(). However
> the format has changed since then and there is no need for
> sched_show_numa() any more to have mempolicy argument,
> asssociated mpol_get/put and task_lock/unlock. Remove them.
> 
> Fixes: 397f2378f1361 ("sched/numa: Fix numa balancing stats in /proc/pid/sched")
> Signed-off-by: Bharata B Rao <bharata@....com>

Acked-by: Mel Gorman <mgorman@...e.de>

-- 
Mel Gorman
SUSE Labs