Re: [PATCH 17/30] mm: prefer vma_[start,end]_pgoff() to vma->vm_pgoff in kernel/
From: Lorenzo Stoakes
Date: Fri Jul 10 2026 - 11:17:25 EST
On Fri, Jul 10, 2026 at 11:09:02AM -0400, Gregory Price wrote:
> On Fri, Jul 10, 2026 at 03:56:33PM +0100, Lorenzo Stoakes wrote:
> > On Thu, Jul 09, 2026 at 11:49:18AM -0400, Gregory Price wrote:
> > >
> > > Silly question:
> >
> > There's no such thing :)
> >
>
> All my questions are silly. That's my secret :]
Mine too ;)
>
> > >
> > > What's the purpose of retaining tags in a non-address value?
> >
> > Well if you want to reconstitute an address from it later then that'd be the
> > intent, but I'm being hand wavey here for sure.
> >
> > Main thing is to retain stuff under the page mask
> >
>
> Right, which ...
>
> vvvvvv
> > > That sounds like there's fragility just waiting to be broken.
>
> If that's an actual issue, then our relationship with tags is painful :[
Yeah, I'm just not sure tbh.
But all that is stuf for future masochism^Wfun anyway ;) focusing on the 'respin
the monster series' fun^Wmasochism atm...
>
> ~Gregory
Cheers, Lorenzo