| From | Andy Shevchenko <> | Date | Mon, 11 Apr 2022 17:57:08 +0300 | Subject | Re: [PATCH 02/10] drivers/base: Use ARCH_DMA_MINALIGN instead of ARCH_KMALLOC_MINALIGN |
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On Wed, Apr 6, 2022 at 2:30 PM Catalin Marinas <catalin.marinas@arm.com> wrote: > > ARCH_DMA_MINALIGN represents the minimum (static) alignment for safe DMA > operations while ARCH_KMALLOC_MINALIGN is the minimum kmalloc() objects > alignment.
...
> - * Thus we use ARCH_KMALLOC_MINALIGN here and get exactly the same > + * Thus we use ARCH_DMA_MINALIGN here and get at least the same > * buffer alignment as if it was allocated by plain kmalloc().
But then it becomes not true either, because the kmalloc() has other alignment constraints.
-- With Best Regards, Andy Shevchenko
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