linux-kernel - Re: [PATCH] memory hotplug: run lru_add_drain

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Message-Id: <1228509818.12681.21.camel@nimitz>
Date:	Fri, 05 Dec 2008 12:43:38 -0800
From:	Dave Hansen <dave@...ux.vnet.ibm.com>
To:	gerald.schaefer@...ibm.com
Cc:	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org, schwidefsky@...ibm.com,
	heiko.carstens@...ibm.com, kamezawa.hiroyu@...fujitsu.com,
	y-goto@...fujitsu.com, npiggin@...e.de
Subject: Re: [PATCH] memory hotplug: run lru_add_drain_all() on each cpu

On Fri, 2008-12-05 at 14:08 +0100, Gerald Schaefer wrote:
> 
> As explained above, the per-cpu pagevec layout should be independent
> from NUMA or UNEVICTABLE_LRU, so I guess the right thing to do here
> is completely remove the #ifdef as in the patch from Kosaki Motohiro
> (or at least replace it with a CONFIG_SMP as suggested by Kamezawa
> Hiroyuki).

Thanks for looking into it deeper.  That CONFIG_SMP thing really does
look like the right solution.

-- Dave

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