linux-kernel - Re: [PATCH] mm: avoid use of BIT() macro for initialising VMA flags

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Message-Id: <20251205191255.e6da75c8511d23159f44b59f@linux-foundation.org>
Date: Fri, 5 Dec 2025 19:12:55 -0800
From: Andrew Morton <akpm@...ux-foundation.org>
To: Stephen Rothwell <sfr@...b.auug.org.au>
Cc: Lorenzo Stoakes <lorenzo.stoakes@...cle.com>, David Hildenbrand
 <david@...nel.org>, "Liam R . Howlett" <Liam.Howlett@...cle.com>, Vlastimil
 Babka <vbabka@...e.cz>, Mike Rapoport <rppt@...nel.org>, Suren Baghdasaryan
 <surenb@...gle.com>, Michal Hocko <mhocko@...e.com>, oliver.sang@...el.com,
 linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mm: avoid use of BIT() macro for initialising VMA flags

On Sat, 6 Dec 2025 11:40:34 +1100 Stephen Rothwell <sfr@...b.auug.org.au> wrote:

> Hi Andrew,
> 
> On Fri, 5 Dec 2025 12:15:01 -0800 Andrew Morton <akpm@...ux-foundation.org> wrote:
> >
> > I'm not really sure what's the best way to determine this.  I use
> > 
> > hp2:/usr/src/mm> git tag --contains 2b6a3f061f11  
> > mm-everything-2025-11-29-19-43
> > mm-everything-2025-12-01-19-02
> > mm-everything-2025-12-03-23-49
> > mm-everything-2025-12-05-00-55
> > mm-stable-2025-12-03-21-26
> > 
> 
> What does "git branch --contains 2b6a3f061f11" say in your tree?

hp2:/usr/src/mm> git branch --contains 2b6a3f061f11
* linus
  mm-everything
  mm-new
  mm-stable
  mm-unstable
hp2:/usr/src/mm> git branch -r --contains 2b6a3f061f11 
  linus/master
  origin/mm-everything
  origin/mm-new
  origin/mm-stable
  origin/mm-unstable

kinda random, but it tells me "that's in mm-stable", which is what counts.

> In my linux-next tree it says (I need the -r to check remote branches):
> 
> $ git branch -r --contains 2b6a3f061f11
>   mm-stable/mm-stable
>   mm-unstable/mm-unstable
> 
> but I don't export my remotes to my published tree.