linux-kernel - Re: [PATCH] /dev/zero: make private mapping full anonymous mapping

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Message-ID: <Z4arVj0qdGtRziKk@casper.infradead.org>
Date: Tue, 14 Jan 2025 18:22:14 +0000
From: Matthew Wilcox <willy@...radead.org>
To: Lorenzo Stoakes <lorenzo.stoakes@...cle.com>
Cc: Yang Shi <yang@...amperecomputing.com>, arnd@...db.de,
	gregkh@...uxfoundation.org, Liam.Howlett@...cle.com, vbabka@...e.cz,
	jannh@...gle.com, liushixin2@...wei.com, akpm@...ux-foundation.org,
	linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] /dev/zero: make private mapping full anonymous mapping

On Tue, Jan 14, 2025 at 06:19:32PM +0000, Lorenzo Stoakes wrote:
> I see shmem_zero_page() does change vma->vm_page, this is broken... ugh. I

I think you mean shmem_zero_setup() and vma->vm_file, right?