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SubjectRe: [kbuild-all] Re: mm/migrate.c:1406:5: warning: stack frame size of 2096 bytes in function 'migrate_pages'
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On 6/1/21 6:14 AM, Andrew Morton wrote:
> On Sun, 30 May 2021 17:46:48 +0800 kernel test robot <lkp@intel.com> wrote:
>
>> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
>> head: b90e90f40b4ff23c753126008bf4713a42353af6
>> commit: dd4ae78a21fc05d91d841e499dddd057ad64a4df mm: migrate: simplify the logic for handling permanent failure
> migrate_pages() isn't a good place to be using lots of stack.
>
> Am I correct in assuming that this is a bisection result?

Hi Andrew,

I have confirmed the bisection is good.

>
> I don't immediately see why dd4ae78a21fc05d91d would be the main cause
> of this.
>

Hi Clang Team, could you share some experience about this kind of warning?

Best Regards,
Rong Chen

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