[RESEND PATCH v2 50/53] mtd: nand: allocate aligned buffers if NAND_OWN_BUFFERS is unset

[Russell King - ARM Linux]

On Tue, Mar 28, 2017 at 10:07:21AM +0200, Boris Brezillon wrote:
> Hm, it seems that alignment for kmalloc SLAB caches is set to
> ARCH_KMALLOC_MINALIGN which is set to ARCH_DMA_MINALIGN by default and
> ARCH_DMA_MINALIGN is usually equal to the L1 cache line size, so I was
> wrong here.

Yes, we set kmalloc() up to always return L1 cache line aligned data,
where "L1 cache line aligned" is the _maximum_ cache line alignment
that the kernel has been built for, not the cache line alignment of
the CPU we're running on.

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