| Date | Wed, 11 Sep 2013 14:39:22 +0000 | From | Christoph Lameter <> | Subject | Re: [PATCH 07/16] slab: overloading the RCU head over the LRU for RCU free |
| |
On Thu, 22 Aug 2013, Joonsoo Kim wrote:
> With build-time size checking, we can overload the RCU head over the LRU > of struct page to free pages of a slab in rcu context. This really help to > implement to overload the struct slab over the struct page and this > eventually reduce memory usage and cache footprint of the SLAB.
Looks fine to me. Can you add the rcu_head to the struct page union? This kind of overload is used frequently elsewhere as well. Then cleanup other cases of such uses (such as in SLUB).
Acked-by: Christoph Lameter <cl@linux.com>
|