Re: + mm-use-stack_depot_early_init-for-kmemleak.patch added to mm-hotfixes-unstable branch

[Catalin Marinas <catalin.marinas@arm.com>]

On Thu, Jan 19, 2023 at 02:02:29PM +0100, Mirsad Goran Todorovac wrote:
> On 18.1.2023. 1:19, Andrew Morton wrote:
> > --- a/mm/kmemleak.c~mm-use-stack_depot_early_init-for-kmemleak
> > +++ a/mm/kmemleak.c
> > @@ -2070,8 +2070,10 @@ static int __init kmemleak_boot_config(c
> >   		return -EINVAL;
> >   	if (strcmp(str, "off") == 0)
> >   		kmemleak_disable();
> > -	else if (strcmp(str, "on") == 0)
> > +	else if (strcmp(str, "on") == 0) {
> >   		kmemleak_skip_disable = 1;
> > +		stack_depot_want_early_init();
> > +	}
> >   	else
> >   		return -EINVAL;
> >   	return 0;
> > _
> > 
> > Patches currently in -mm which might be from zhaoyang.huang@unisoc.com are
> > 
> > mm-use-stack_depot_early_init-for-kmemleak.patch
> 
> Please note that this patch activates stack_depot_want_early_init() only when
> kernel boot param "kmemleak=on" is used.
> 
> When the following configuration is used:
> 
> CONFIG_HAVE_DEBUG_KMEMLEAK=y
> CONFIG_DEBUG_KMEMLEAK=y
> CONFIG_DEBUG_KMEMLEAK_MEM_POOL_SIZE=16000
> # CONFIG_DEBUG_KMEMLEAK_TEST is not set
> # CONFIG_DEBUG_KMEMLEAK_DEFAULT_OFF is not set
> CONFIG_DEBUG_KMEMLEAK_AUTO_SCAN=y

Indeed, I commented here already:

https://lore.kernel.org/all/Y8gDdnpvkCKvVV1t@arm.com/

-- 
Catalin