linux-kernel - Re: [PATCH v2 00/16] mm: remove is_swap_[pte, pmd]() + non-swap entries, introduce leaf entries

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Message-ID: <20251121234456.GA383361@ziepe.ca>
Date: Fri, 21 Nov 2025 19:44:56 -0400
From: Jason Gunthorpe <jgg@...pe.ca>
To: Lorenzo Stoakes <lorenzo.stoakes@...cle.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>,
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Subject: Re: [PATCH v2 00/16] mm: remove is_swap_[pte, pmd]() + non-swap
 entries, introduce leaf entries

On Mon, Nov 10, 2025 at 10:21:18PM +0000, Lorenzo Stoakes wrote:
> There's an established convention in the kernel that we treat leaf page
> tables (so far at the PTE, PMD level) as containing 'swap entries' should
> they be neither empty (i.e. p**_none() evaluating true) nor present
> (i.e. p**_present() evaluating true).

I browsed through this series and want to give some encourgement that
this looks nice and is a big step forward! Lots of details to check
the conversions so I wouldn't give any tags due to lack of time..

Jason