Messages in this thread | | | Date | Mon, 22 Mar 2010 08:56:16 -0700 | From | "Paul E. McKenney" <> | Subject | Re: [PATCH] tree/tiny rcu: Add debug RCU head option (v2) |
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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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