Re: [PATCH v2 2/2] slab: Remove special-casing of const 0 size allocations

From: Kees Cook
Date: Fri Nov 18 2022 - 12:06:44 EST


On Fri, Nov 18, 2022 at 12:34:01PM +0100, Vlastimil Babka wrote:
> On 11/18/22 04:51, Kees Cook wrote:
> > Passing a constant-0 size allocation into kmalloc() or kmalloc_node()
> > does not need to be a fast-path operation, so the static return value
> > can be removed entirely. This is in preparation for making sure that
> > all paths through the inlines result in a full extern function call,
>
> So with the kmalloc_trace() already solved, we could now say it's not "in
> preparation", but simply "makes sure", right? I can correct that while
> picking this patch.

Yeah, good point. I missed this when updating the commit logs. Thanks!

--
Kees Cook