Messages in this thread | | | Subject | Re: [regression] nf_iterate(), BUG: unable to handle kernel NULL pointer dereference | From | Pekka Enberg <> | Date | Thu, 24 Jul 2008 16:32:22 +0300 |
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On Thu, Jul 24, 2008 at 10:56:08PM +1000, Nick Piggin wrote: > > > OTOH, skb allocation uses kmalloc don't they? So you could still use > > > SLOB ksize for that I guess.
On Thursday 24 July 2008 23:04, Herbert Xu wrote: > > Yes I was referring to the data portion which is kmalloc'ed. > > That is also why I'm interested in ksize because a priori we > > don't know exactly how big it's going to be. However, we do > > know that statistically 1500 will dominate. > > > > I'm not interested in ksize for kmem_cache at all. So in fact > > we could have something simpler that's based on kmalloc's rounding > > algorithm instead.
On Thu, 2008-07-24 at 23:13 +1000, Nick Piggin wrote: > Yes you could definitely have a function that returns allocated > bytes for a given kmalloc size. Should be about as fast or faster > than extracting the size from the kaddr...
Yup, makes sense.
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