Re: [PATCH v2 4/9] slab: Introduce kmem_buckets_create()

[Kees Cook]

On Mon, Mar 25, 2024 at 05:49:49PM -0400, Kent Overstreet wrote:
> The codetags are in their own dedicated elf sections already, so if you
> put the kmem_buckets in the codetag the entire elf section can be
> discarded if it's not in use.

Gotcha. Yeah, sounds good. Once codetags and this series land, I can
start working on making the per-site series.

> "usercopy window"? You're now annotating which data can be copied to
> userspace?

Hm? Yes. That's been there for over 7 years. :) It's just that it was only
meaningful for kmem_cache_create() users, since the proposed GFP_USERCOPY
for kmalloc() never landed[1].

-Kees

[1] https://lore.kernel.org/lkml/1497915397-93805-23-git-send-email-keescook@xxxxxxxxxxxx/

-- 
Kees Cook