Re: [PATCH 2/4] char: xillybus: replace __get_free_pages() with kmalloc()

[Eli Billauer]

On 01/09/2026 19:24, Mike Rapoport wrote:
> On Tue, Sep 01, 2026 at 10:42:47AM +0200, Eli Billauer wrote:
> > On 31/08/2026 13:32, Mike Rapoport wrote:
> > > For large sizes kmalloc falls back to page allocator anyway.
> > >
> > > And the doc is out of date unfortunately.
> > I think it would be a good idea to update the doc first, and by doing so
> > officially change the API. After getting this change approved, it's indeed
> > safe to rely on kmalloc() even for larger memory allocations.
> The documentation always lags behind the code and "official" API is what
> include/linux/slab.h says :)

This is what I found in slab.h:

 *
 * kmalloc is the normal method of allocating memory
 * for objects smaller than page size in the kernel.
 *

Maybe this needs a clarification too?

Regards,
   Eli