On Wed, Aug 7, 2024, at 17:17, Stewart Hildebrand wrote:
> In this context, "small" is defined as max(SZ_4K, PAGE_SIZE).
>
> This series sets the default minimum resource alignment to
> max(SZ_4K, PAGE_SIZE) for memory BARs. In preparation, it makes an
> optimization and addresses some corner cases observed when reallocating
> BARs. I consider the prepapatory patches to be prerequisites to changing
> the default BAR alignment.
It's probably worth noting that Linux does not support any
architectures with software page sizes smaller than 4KB,
and it would likely break a lot of assumptions, so
max(SZ_4K, PAGE_SIZE) is really the same as PAGE_SIZE
in practice.
Arnd
