On Mon, 21 May 2012, David Rientjes wrote:

This doesn't work if you kmem_cache_destroy() a cache that was created
when g_cpucache_cpu <= EARLY, the kfree() will explode.  That never
happens for any existing cache created in kmem_cache_init(), but this
would introduce the first roadblock in doing so.  So you'll need some
magic to determine whether the cache was allocated statically and suppress
the kfree() in such a case.

Nope. Only slab management caches will be created that early. The patch is
fine as is.


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