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    SubjectRe: block: DMA alignment of IO buffer allocated from slab
    On Mon, Sep 24, 2018 at 09:10:43PM -0700, Bart Van Assche wrote:
    > On 9/24/18 8:28 PM, Matthew Wilcox wrote:
    > > [ ... ] Because if we have to
    > > round all allocations below 64 bytes up to 64 bytes, [ ... ]
    > Have you noticed that in another e-mail in this thread it has been explained
    > why it is not necessary on x86 to align buffers allocated by kmalloc() on a
    > 64-byte boundary even if these buffers are used for DMA?

    Oh, so drivers which do this only break on !x86. Yes, that'll work
    out great.

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