Re: [PATCH v3 0/4] mm/slub: Fix count_partial() problem

From: Christoph Lameter
Date: Tue Mar 16 2021 - 06:18:35 EST

On Mon, 15 Mar 2021, Yang Shi wrote:

> > It seems like CONFIG_SLUB_DEBUG is a more popular option than CONFIG_SLUB_STATS.
> > CONFIG_SLUB_DEBUG is enabled on my Fedora workstation, CONFIG_SLUB_STATS is off.
> > I doubt an average user needs this data, so I'd go with CONFIG_SLUB_STATS.
> I think CONFIG_SLUB_DEBUG is enabled by default on most distros since
> it is supposed not incur too much overhead unless specific debug (i.e.
> red_zone) is turned on on demand.

Correct. CONFIG_SLUB_DEBUG includes the code so the debugging can be
enabled on Distro kernels with a kernel command line option. So you dont
have to recompile the kernel to find weird memory corruption issues from
strange device drivers.

Somehow my email address dropped off this thread.