Re: [PATCHv2] mm: use stack_depot_early_init for kmemleak

[Andrew Morton]

On Wed, 18 Jan 2023 09:25:48 +0800 Zhaoyang Huang <huangzhaoyang@xxxxxxxxx> wrote:

> On Wed, Jan 18, 2023 at 8:17 AM Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote:
> >
> > On Tue, 17 Jan 2023 16:11:52 +0800 "zhaoyang.huang" <zhaoyang.huang@xxxxxxxxxx> wrote:
> >
> > > Mirsad report bellow error which caused by stack_depot_init failed in kvcalloc.
> > > Solve this by having stackdepot use stack_depot_early_init. Extra Kconfig also
> > > done by moving kmemleak stuff to mm/Kconfig.debug.
> >
> > I don't understand - what was the reason for the Kconfig change?
> The items related to kmemleak are moved from lib/Kconfig.debug to
> mm/Kconfig.debug

Well yes, but why?

Is that related to this bug fix?  If not then please let's have that
change in a separate patch.