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SubjectRe: [PATCH 2/4] slub,rcu: don't assume the size of struct rcu_head
On Tue, Mar 1, 2011 at 10:03 AM, Lai Jiangshan <> wrote:
> The size of struct rcu_head may be changed. When it becomes larger,
> it will pollute the page array.
> We reserve some some bytes for struct rcu_head when a slab
> is allocated in this situation.
> Signed-off-by: Lai Jiangshan <>

The SLAB and SLUB patches are fine by me if there are going to be real
users for this. Christoph, Paul?

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