linux-kernel - Re: [patch 2/2] slub: enforce cpuset restrictions for cpu slabs

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

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.


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