RE: [PATCH 3/3 v3] net/macb: Try to optimize struct macb layout
- From
- David Laight <hidden>
- Date
- 2013-05-15 09:39:03
- Also in
- linux-arm-kernel, lkml
- Reply to
- Nicolas Ferre, 2013-05-15
From: Havard Skinnemoen <redacted>
Move the NAPI struct below that since it is used from the interrupt handler. This field is also marked as ___cacheline_aligned_in_smp.
Is that a good idea if the cache line size is 256 bytes?
Indeed is that ever sane - except for a few special structures
that really need it, and are guaranteed to be allocated
with that much alignment.
David