Re: [PATCH v2 04/29] slub: always get the cache from its page inkfree
From: Christoph Lameter
Date: Fri May 11 2012 - 13:53:35 EST
On Fri, 11 May 2012, Glauber Costa wrote:
> struct page already have this information. If we start chaining
> caches, this information will always be more trustworthy than
> whatever is passed into the function
Other allocators may not have that information and this patch may
cause bugs to go unnoticed if the caller specifies the wrong slab cache.
Adding a VM_BUG_ON may be useful to make sure that kmem_cache_free is
always passed the correct slab cache.
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