[PATCH v4 02/15] dma: Allow dma_get_cache_alignment() to return the smaller cache_line_size()

[Catalin Marinas]

On Sat, May 20, 2023 at 08:14:41AM +0200, Christoph Hellwig wrote:
> On Sat, May 20, 2023 at 07:42:09AM +0200, Christoph Hellwig wrote:
> > yet another abstraction?  That might also be able to repace
> > ARCH_DMA_MINALIGN in follow on cleanup.
> 
> Looking at the rest of the series, this part is obviously not going to
> work..

ARCH_DMA_MINALIGN needs to remain a constant (taking over from the
original ARCH_KMALLOC_MINALIGN). But the dma_get_cache_alignment() can
indeed be overridden by the arch code, it's a good idea.

-- 
Catalin