From: Matthew Wilcox <willy@infradead.org>
To: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: linux-mm@kvack.org, Vishal Moola <vishal.moola@gmail.com>,
Johannes Weiner <hannes@cmpxchg.org>
Subject: Re: [RFC PATCH 4/7] pgtable: Remove uses of page->lru
Date: Tue, 11 Nov 2025 18:46:01 +0000 [thread overview]
Message-ID: <aROEaV-840d6ZP7L@casper.infradead.org> (raw)
In-Reply-To: <4f7a1501-b10a-4047-8823-a31a68813424@arm.com>
On Tue, Nov 11, 2025 at 01:23:53PM +0530, Anshuman Khandual wrote:
> On 20/10/25 5:46 AM, Matthew Wilcox (Oracle) wrote:
> > Use ptdesc->pt_list instead of page->lru. These are the same bits for
> > now, but will be different when ptdesc is allocated separately.
>
> Just wondering - should a corresponding TABLE_MATCH() be added untill
> those above bits in page and ptdesc remain same.
Huh, I hadn't noticed that was missing. I'll put that in as a separate
patch.
next prev parent reply other threads:[~2025-11-11 18:46 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-20 0:16 [RFC PATCH 0/7] Separate ptdesc from struct page Matthew Wilcox (Oracle)
2025-10-20 0:16 ` [RFC PATCH 1/7] mm: Use frozen pages for page tables Matthew Wilcox (Oracle)
2025-10-20 0:16 ` [RFC PATCH 2/7] mm: Account pagetable memory when allocated Matthew Wilcox (Oracle)
2025-11-11 7:09 ` Anshuman Khandual
2025-11-11 16:43 ` Matthew Wilcox
2025-10-20 0:16 ` [RFC PATCH 3/7] mm: Mark " Matthew Wilcox (Oracle)
2025-10-20 0:16 ` [RFC PATCH 4/7] pgtable: Remove uses of page->lru Matthew Wilcox (Oracle)
2025-11-11 7:53 ` Anshuman Khandual
2025-11-11 18:46 ` Matthew Wilcox [this message]
2025-10-20 0:16 ` [RFC PATCH 5/7] x86: Call preallocate_vmalloc_pages() later Matthew Wilcox (Oracle)
2025-11-11 8:59 ` Anshuman Khandual
2025-11-12 18:36 ` Vishal Moola (Oracle)
2025-11-12 19:31 ` Vishal Moola (Oracle)
2025-11-13 13:53 ` Matthew Wilcox
2025-10-20 0:16 ` [RFC PATCH 6/7] mm: Add alloc_pages_memdesc family of APIs Matthew Wilcox (Oracle)
2025-10-20 0:16 ` [RFC PATCH 7/7] mm: Allocate ptdesc from slab Matthew Wilcox (Oracle)
2025-10-20 6:43 ` [syzbot ci] Re: Separate ptdesc from struct page syzbot ci
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