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

From: Edgecombe, Rick P
Date: Tue Nov 15 2022 - 12:20:30 EST


On Tue, 2022-11-15 at 12:20 +0100, Peter Zijlstra wrote:
> 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.

I can beef this up. It is just a cleanup type thing to make things less
scattered around.

Thanks.