linux-kernel - Re: [RFC] vmstat: Avoid waking up idle-cpu to service shepherd work

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: <CAKohpo=3x8hPe9AEJWNgRvD1iT+npbX+-k0t3EZEDyHUsv4AqQ@mail.gmail.com>
Date:	Sat, 28 Mar 2015 10:04:56 +0530
From:	Viresh Kumar <viresh.kumar@...aro.org>
To:	Michal Hocko <mhocko@...e.cz>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Johannes Weiner <hannes@...xchg.org>,
	Christoph Lameter <cl@...ux.com>,
	Linaro Kernel Mailman List <linaro-kernel@...ts.linaro.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	vinmenon@...eaurora.org, shashim@...eaurora.org,
	Mel Gorman <mgorman@...e.de>, dave@...olabs.net,
	Konstantin Khlebnikov <koct9i@...il.com>,
	Linux Memory Management List <linux-mm@...ck.org>
Subject: Re: [RFC] vmstat: Avoid waking up idle-cpu to service shepherd work

On 27 March 2015 at 19:49, Michal Hocko <mhocko@...e.cz> wrote:

> Wouldn't something like I was suggesting few months back
> (http://article.gmane.org/gmane.linux.kernel.mm/127569) solve this
> problem as well? Scheduler should be idle aware, no? I mean it shouldn't
> wake up an idle CPU if the task might run on another one.

Probably yes. Lets see what others have to say about it..
--
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/