Messages in this thread | | | Date | Wed, 19 May 2010 21:02:49 +0900 | Subject | Re: [BUG] SLOB breaks Crypto | From | FUJITA Tomonori <> |
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On Wed, 19 May 2010 12:40:36 +0100 David Woodhouse <dwmw2@infradead.org> wrote:
> On Wed, 2010-05-19 at 13:32 +0200, Geert Uytterhoeven wrote: > > Instead of having (different) defaults in sl[aou]b, perhaps we should > > just remove the defaults completely, to ensure all architectures set > > ARCH_SLAB_MINALIGN to the correct value? > > What is 'correct'? The architecture sets it to the minimum value that it > can cope with, according to its own alignment constraints (and DMA/cache > constraints, in the case of ARCH_KMALLOC_MINALIGN).
IIRC, not all the architectures do that; ARCH_KMALLOC_MINALIGN doesn't mean "DMA-safe" alignment currently.
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