Andi Kleen wrote:
On Fri, Dec 23, 2005 at 03:15:24PM +0100, Manfred Spraul wrote:
Andi Kleen wrote:
It's more than 82 bytes but less than 86. I didn't run the binary
search further.
My guess: with 86 byte additional padding, you end up doing
kmalloc(2049), and thus with a 4 kB allocation.
My MTU is normal 1.5k. Even with 64bit skb_shared_info it shouldn't
cross into the 2k range. 64bit skb_shared_info with 4k pages is ~300 bytes
and there should be over 200 bytes left before it would enter the 2k slab.
For me, there are 64 bytes left. Could you send me your .config, then I
can check it.
--
Manfred
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