netdev - Re: [PATCH] use total_highpages when calculating lowmem-only allocation sizes (dccp)

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Message-Id: <20101206.093630.104060994.davem@davemloft.net>
Date:	Mon, 06 Dec 2010 09:36:30 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	JBeulich@...ell.com
Cc:	netdev@...r.kernel.org, akpm@...ux-foundation.org
Subject: Re: [PATCH] use total_highpages when calculating lowmem-only
 allocation sizes (dccp)

From: "Jan Beulich" <JBeulich@...ell.com>
Date: Mon, 06 Dec 2010 16:42:46 +0000

> For those (large) table allocations that come only from lowmem, the
> total amount of memory shouldn't really matter.
> 
> Signed-off-by: Jan Beulich <jbeulich@...ell.com>

Instead of continually tweaking the bits in these code paths,
we should be converting them over to using a central routine
such as alloc_large_system_hash() where the logic is consolidated
_AND_ the code knows to use vmalloc() and NUMA aware allocations
when warranted.
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