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Date: Tue, 3 Mar 2009 13:46:52 -0500 (EST)
From: Christoph Lameter <cl@linux-foundation.org>
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To: David Rientjes <rientjes@google.com>
cc: Pekka Enberg <penberg@cs.helsinki.fi>,
       Andrew Morton <akpm@linux-foundation.org>,
       Paul Menage <menage@google.com>, Randy Dunlap <randy.dunlap@oracle.com>,
       linux-kernel@vger.kernel.org
Subject: Re: [patch 2/2] slub: enforce cpuset restrictions for cpu slabs
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On Tue, 3 Mar 2009, David Rientjes wrote:

> There is no alternative solution to prevent egregious amounts of slab to
> be allocated in a disjoint cpuset that is supposedly mem_exclusive.

The amount of memory is limited by the size of a slab page. If the process
goes beyond that amount then the page allocator will come in and enforce
the boundaries.