Re: [kernel] powerpc: Make vmalloc_to_phys() public

[Michael Ellerman]

On Thu, 2016-21-01 at 07:35:08 UTC, Alexey Kardashevskiy wrote:
> This makes vmalloc_to_phys() public as there will be another user
> (in-kernel VFIO acceleration) for it soon.
> 
> As a part of future little optimization, this changes the helper to call
> vmalloc_to_pfn() instead of vmalloc_to_page() as the size of the
> struct page may not be power-of-two aligned which will make gcc use
> multiply instructions instead of shifts.

You should also mention why you need to export it, presumably because whatever
new user you have in mind can be built as a module.

Acked-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx>

cheers