linux-kernel - Re: [PATCH] sched: Calculate effective load even if local weight is 0

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:	Mon, 6 Jan 2014 13:35:19 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Mel Gorman <mgorman@...e.de>
Cc:	Thomas Hellstrom <thellstrom@...are.com>,
	Rik van Riel <riel@...hat.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] sched: Calculate effective load even if local weight is 0

On Mon, Jan 06, 2014 at 11:39:12AM +0000, Mel Gorman wrote:
> wake_affine uses a weight of 0 for sync wakeups on the grounds that it
> is assuming the waking task will sleep and not contribute to load in the
> near future. In this case, we still want to calculate the effective load
> of the sched entity hierarchy. As effective_load is no longer used by
> task_numa_compare since commit fb13c7ee (sched/numa: Use a system-wide
> search to find swap/migration candidates), this patch simply restores the
> historical behaviour.

Urgh.. yeah. We should merge this. Rik you ok with me adding a from and
sob from you?
--
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/