Re: [PATCH] fs: Keep long filenames in isolated slab buckets
From: Kees Cook
Date: Wed Feb 11 2026 - 09:14:02 EST
On Wed, Feb 11, 2026 at 03:06:47AM +0100, Jann Horn wrote:
> Actually, looking around a bit, there really aren't that many
> allocations with __GFP_RECLAIMABLE, so this probably isn't all that
> useful for same-cache attacks. (To be clear: Anything with
> __GFP_RECLAIMABLE goes in the special kmalloc-rcl-* slabs.) Looking
Ah! Yeah, I looked right past __GFP_RECLAIMABLE. As you say, this will
keep it isolated already.
--
Kees Cook