linux-kernel - Re: [PATCH v1 4/9] mm/memory: Add tree limit to free

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Message-ID: <11f35ae6-2891-44cd-a670-92ef2151b885@redhat.com>
Date: Thu, 11 Sep 2025 11:24:38 +0200
From: David Hildenbrand <david@...hat.com>
To: "Liam R. Howlett" <Liam.Howlett@...cle.com>,
 Andrew Morton <akpm@...ux-foundation.org>
Cc: maple-tree@...ts.infradead.org, linux-mm@...ck.org,
 linux-kernel@...r.kernel.org, Lorenzo Stoakes <lorenzo.stoakes@...cle.com>,
 Vlastimil Babka <vbabka@...e.cz>, Suren Baghdasaryan <surenb@...gle.com>,
 Michal Hocko <mhocko@...e.com>, Jann Horn <jannh@...gle.com>,
 Pedro Falcato <pfalcato@...e.de>,
 Charan Teja Kalla <quic_charante@...cinc.com>, shikemeng@...weicloud.com,
 kasong@...cent.com, nphamcs@...il.com, bhe@...hat.com, baohua@...nel.org,
 chrisl@...nel.org, Matthew Wilcox <willy@...radead.org>
Subject: Re: [PATCH v1 4/9] mm/memory: Add tree limit to free_pgtables()

> +/*
> + * free_pgtables() - Free a range of page tables
> + * @tlb: The mmu gather
> + * @mas: The maple state
> + * @vma: The first vma
> + * @floor: The lowest page table address
> + * @ceiling: The highest page table address
> + * @tree_max: The highest tree search address
> + * @mm_wr_locked: boolean indicating if the mm is write locked

I'm sure there is a good reason why we don't call this stuff here

floor -> start
ceiling -> end
tree_max -> tree_end

-- 
Cheers

David / dhildenb