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Mon, 22 Jun 2026 06:14:58 -0700 (PDT) Date: Mon, 22 Jun 2026 13:14:52 +0000 From: Wei Yang To: Wei Yang , lance.yang@linux.dev Cc: akpm@linux-foundation.org, david@kernel.org, ljs@kernel.org, riel@surriel.com, liam@infradead.org, vbabka@kernel.org, harry@kernel.org, jannh@google.com, sj@kernel.org, ziy@nvidia.com, balbirs@nvidia.com, linux-mm@kvack.org, stable@vger.kernel.org Subject: Re: [PATCH] mm/page_vma_mapped: revalidate and do proper check before return device-private pmd Message-ID: <20260622131452.ox6ciole35ojmyd4@master> Reply-To: Wei Yang References: <20260622130651.23359-1-richard.weiyang@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260622130651.23359-1-richard.weiyang@gmail.com> User-Agent: NeoMutt/20170113 (1.7.2) X-Stat-Signature: zopeq189kx99qmatwxrcx8drrzt51ge6 X-Rspam-User: X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: D5A3B40005 X-HE-Tag: 1782134099-90223 X-HE-Meta: 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 /C9xyFV6 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 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Oops, miss the v3 tag. Also add Lance who gave a lot feedback. -- Wei Yang Help you, Help me