Re: [PATCH v2] mm/slub: refactor freelist to use custom type

[David Rientjes]

On Tue, 4 Jul 2023, Matteo Rizzo wrote:

> From: Jann Horn <jannh@xxxxxxxxxx>
> 
> Currently the SLUB code represents encoded freelist entries as "void*".
> That's misleading, those things are encoded under
> CONFIG_SLAB_FREELIST_HARDENED so that they're not actually dereferencable.
> 
> Give them their own type, and split freelist_ptr() into one function per
> direction (one for encoding, one for decoding).
> 
> Signed-off-by: Jann Horn <jannh@xxxxxxxxxx>
> Co-developed-by: Matteo Rizzo <matteorizzo@xxxxxxxxxx>
> Signed-off-by: Matteo Rizzo <matteorizzo@xxxxxxxxxx>

Acked-by: David Rientjes <rientjes@xxxxxxxxxx>