From: Pavel Machek <pavel@ucw.cz>
To: Nigel Cunningham <ncunningham@linuxmail.org>
Cc: Andrew Morton <akpm@osdl.org>,
davej@redhat.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] SMP support for drain local pages v2.
Date: Thu, 27 May 2004 21:29:56 +0200 [thread overview]
Message-ID: <20040527192956.GD509@openzaurus.ucw.cz> (raw)
In-Reply-To: <40B52A7D.6090102@linuxmail.org>
Hi!
> >But until something which needs this change is merged into the tree
> >I'd say
> >that this patch should live with the patch which requires it.
>
> CPU hotplugging uses drain_local_pages, and shouldn't drain the pcp
> lists for all cpus. That's why I left the original version alone.
>
> I'm submitting it now in preparation for merging, but Pavel's work on
> SMP support for swsusp should be using this too. (It's not, but it
> should be).
drain_local_pages was there so that accounting is not
screwed by local pages. That should be non-issue for stopped cpus.
OTOH you are right that my swsusp with smp does not work
on my smp machine, and I do not yet know why.
--
64 bytes from 195.113.31.123: icmp_seq=28 ttl=51 time=448769.1 ms
next prev parent reply other threads:[~2004-05-27 19:30 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-05-26 10:39 [PATCH] SMP support for drain local pages Nigel Cunningham
2004-05-26 22:32 ` Dave Jones
2004-05-26 22:56 ` [PATCH] SMP support for drain local pages v2 Nigel Cunningham
2004-05-26 23:26 ` Andrew Morton
2004-05-26 23:38 ` Nigel Cunningham
2004-05-26 23:56 ` Andrew Morton
2004-05-26 23:56 ` Nigel Cunningham
2004-05-27 19:29 ` Pavel Machek [this message]
2004-05-27 21:22 ` Nigel Cunningham
2004-05-27 19:25 ` [PATCH] SMP support for drain local pages Pavel Machek
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