On Mon, 19 Mar 2007, Matt Mackall wrote:
> I think this sort of thing should work:
>
> a = kmalloc(...)
> b = kmem_cache_alloc(..)
> c = allocate_some_id(...)
> if (!a || !b || !c) {
> free_some_id(c)
> kmem_cache_free(c)
^^^^ this requires the specification of a kmem_cache structure and the
object must be allocated by that cache.
> kfree(a);
Here we dynamically determine the slab cache and do not verify even which
slab it came from.
So you can always use kfree if you do not care. kmem_cache_free verifies
correctness.
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