Re: [PATCH v3 13/37] mm: Move VM_UFFD_MINOR_BIT from 37 to 38

From: Peter Zijlstra
Date: Tue Nov 15 2022 - 06:21:16 EST


On Fri, Nov 04, 2022 at 03:35:40PM -0700, Rick Edgecombe wrote:
> From: Yu-cheng Yu <yu-cheng.yu@xxxxxxxxx>
>
> To introduce VM_SHADOW_STACK as VM_HIGH_ARCH_BIT (37), and make all
> VM_HIGH_ARCH_BITs stay together, move VM_UFFD_MINOR_BIT from 37 to 38.

Why thought ?!? Changelog utterly fails to provide rationale.