On 1/19/23 15:40, Catalin Marinas wrote:
> 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@xxxxxxxxxx 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@xxxxxxx/
And v4 was submitted with that change included:
https://lore.kernel.org/all/1674091345-14799-2-git-send-email-zhaoyang.huang@xxxxxxxxxx/
