On Wed, Apr 6, 2022 at 2:30 PM Catalin Marinas <catalin.marinas@xxxxxxx> 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
