Messages in this thread | | | Date | Tue, 26 Jan 2016 10:19:08 -0600 (CST) | From | Christoph Lameter <> | Subject | Re: [RFC][PATCH 1/3] slub: Drop lock at the end of free_debug_processing |
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On Mon, 25 Jan 2016, Laura Abbott wrote:
> Currently, free_debug_processing has a comment "Keep node_lock to preserve > integrity until the object is actually freed". In actuallity, > the lock is dropped immediately in __slab_free. Rather than wait until > __slab_free and potentially throw off the unlikely marking, just drop > the lock in __slab_free. This also lets free_debug_processing take > its own copy of the spinlock flags rather than trying to share the ones > from __slab_free. Since there is no use for the node afterwards, change > the return type of free_debug_processing to return an int like > alloc_debug_processing.
Acked-by: Christoph Lameter <cl@linux.com>\
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