[PATCH 5/4] mm: Introduce SLAB_NO_FREE_INIT and mark excluded caches
keescook at chromium.org
Fri May 17 15:59:39 UTC 2019
On Fri, May 17, 2019 at 10:34:26AM +0200, Alexander Potapenko wrote:
> On Fri, May 17, 2019 at 2:50 AM Kees Cook <keescook at chromium.org> wrote:
> > In order to improve the init_on_free performance, some frequently
> > freed caches with less sensitive contents can be excluded from the
> > init_on_free behavior.
> Did you see any notable performance improvement with this patch?
> A similar one gave me only 1-2% on the parallel Linux build.
Yup, that's in the other thread. I saw similar. But 1-2% on a 5% hit is
a lot. ;)
More information about the Linux-security-module-archive