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Sat, 07 Mar 2026 07:07:27 -0800 (PST) Received: from localhost ([149.28.151.93]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-c739e183596sm4394555a12.27.2026.03.07.07.07.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 07 Mar 2026 07:07:27 -0800 (PST) Date: Sat, 7 Mar 2026 23:07:22 +0800 From: Chris Down To: Lorenzo Stoakes Cc: Andrew Morton , David Hildenbrand , Matthew Wilcox , kernel-team@fb.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: Re: [PATCH v2 2/3] mm/huge_memory: Prevent huge zeropage refcount corruption in PMD move Message-ID: References: <842272d9-9e9c-498b-9b11-cbad25f526c9@lucifer.local> <1cece140-0602-4563-80b6-fc7ab608de2c@lucifer.local> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <1cece140-0602-4563-80b6-fc7ab608de2c@lucifer.local> User-Agent: Mutt/2.2.15 (2b349c5e) (2025-10-02) X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 41A3B8000C X-Stat-Signature: 1k9646qhe6ouewpdq1xg8gjswafqdhiu X-Rspam-User: X-HE-Tag: 1772896049-499837 X-HE-Meta: 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 m78xdoq9 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 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Lorenzo Stoakes writes: >TL;DR - To make life easier, I squashed the two patches and asked Andrew to take >it with my R-b,T-b tags attached, hope that's ok with you Chris. That's fine, thanks again for sorting this out.