linux-kernel - Re: [PATCH 00/45] hugetlb pagewalk unification

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Message-ID: <ZoZ1w2yDzY_K9Mk0@localhost.localdomain>
Date: Thu, 4 Jul 2024 12:13:23 +0200
From: Oscar Salvador <osalvador@...e.de>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	Peter Xu <peterx@...hat.com>, Muchun Song <muchun.song@...ux.dev>,
	David Hildenbrand <david@...hat.com>, SeongJae Park <sj@...nel.org>,
	Miaohe Lin <linmiaohe@...wei.com>, Michal Hocko <mhocko@...e.com>,
	Matthew Wilcox <willy@...radead.org>,
	Christophe Leroy <christophe.leroy@...roup.eu>
Subject: Re: [PATCH 00/45] hugetlb pagewalk unification

On Thu, Jul 04, 2024 at 06:30:47AM +0200, Oscar Salvador wrote:
> Hi all,
> 
> During Peter's talk at the LSFMM, it was agreed that one of the things
> that need to be done in order to further integrate hugetlb into mm core,
> is to unify generic and hugetlb pagewalkers.
> I started with this one, which is unifying hugetlb into generic
> pagewalk, instead of having its hugetlb_entry entries.
> Which means that pmd_entry/pte_entry(for cont-pte) entries will also deal with
> hugetlb vmas as well, and so will new pud_entry entries since hugetlb can be
> pud mapped (devm pages as well but we seem not to care about those with
> the exception of hmm code).
> 
> The outcome is this RFC.

Just dropping the git tree, in case someone finds it more suitable:

https://github.com/leberus/linux/ hugetlb-unification-pagewalk 


-- 
Oscar Salvador
SUSE Labs