Re: [PATCH -mm] slab: delete cache from list after __kmem_cache_shutdown succeeds

From: David Rientjes
Date: Mon Jun 02 2014 - 21:35:12 EST

On Thu, 15 May 2014, Vladimir Davydov wrote:

> Currently, on kmem_cache_destroy we delete the cache from the slab_list
> before __kmem_cache_shutdown, inserting it back to the list on failure.
> Initially, this was done, because we could release the slab_mutex in
> __kmem_cache_shutdown to delete sysfs slub entry, but since commit
> 41a212859a4d ("slub: use sysfs'es release mechanism for kmem_cache") we
> remove sysfs entry later in kmem_cache_destroy after dropping the
> slab_mutex, so that no implementation of __kmem_cache_shutdown can ever
> release the lock. Therefore we can simplify the code a bit by moving
> list_del after __kmem_cache_shutdown.
> Signed-off-by: Vladimir Davydov <vdavydov@xxxxxxxxxxxxx>

Acked-by: David Rientjes <rientjes@xxxxxxxxxx>
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