Re: [PATCH v10 1/3] mm: Shuffle initial free memory to improve memory-side-cache utilization

[Matthew Wilcox]

On Tue, Feb 05, 2019 at 11:11:06PM +0000, Kees Cook wrote:
> FWIW, distros have enabled it by default for a while. Here's Ubuntu,
> for example:
> 
> and Fedora too:

Also Debian:

$ grep SLAB_FREELIST /boot/config-4.19.0-1-amd64
CONFIG_SLAB_FREELIST_RANDOM=y
CONFIG_SLAB_FREELIST_HARDENED=y

linux (4.15.4-1) unstable; urgency=medium
  * Switch to SLUB as kernel allocator. (Closes: #862718)
    - Enable SLUB_DEBUG, SLAB_FREELIST_HARDENED except on armel/marvell.
      (Closes: #883069)