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slab: destroy a slab without holding any alien cache lock
I haven't heard that this alien cache lock is contended, but to reduce chance of contention would be better generally. And with this change, we can simplify complex lockdep annotation in slab code. In the following patch, it will be implemented. Signed-off-by: Joonsoo Kim <[email protected]> Acked-by: Christoph Lameter <[email protected]> Cc: Pekka Enberg <[email protected]> Cc: David Rientjes <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
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