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SubjectRe: [PATCH] tree/tiny rcu: Add debug RCU head option (v2)
On Mon, Mar 22, 2010 at 09:37:55AM -0500, Christoph Lameter wrote:
> SLAB overloads "struct slab" with the rcu_head. Its not that critical
> there since the metadata allocated for each slab page is larger. SLUB does
> not have such a per slab page metadata structure and limits its metadata
> to what is available in the page struct.

Thank you for the info!

FWIW, Mathieu is now using debug objects, which permits him to keep
rcu_head the same size.

Thanx, Paul


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