tree dc04800243ac331c862c1cdbeebd82bf369602d1
parent a737b3e2fcf96f576fa3e2e382236d9ee94f383f
author Ravikiran G Thirumalai <kiran@scalex86.org> 1143014892 -0800
committer Linus Torvalds <torvalds@g5.osdl.org> 1143042838 -0800

[PATCH] slab: remove cachep->spinlock

Remove cachep->spinlock.  Locking has moved to the kmem_list3 and most of
the structures protected earlier by cachep->spinlock is now protected by
the l3->list_lock.  slab cache tunables like batchcount are accessed always
with the cache_chain_mutex held.

Patch tested on SMP and NUMA kernels with dbench processes running,
constant onlining/offlining, and constant cache tuning, all at the same
time.

Signed-off-by: Ravikiran Thirumalai <kiran@scalex86.org>
Cc: Christoph Lameter <christoph@lameter.com>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: Manfred Spraul <manfred@colorfullife.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>