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Wed, 18 Jun 2025 19:44:51 -0700 (PDT) Received: from google.com ([2401:fa00:8f:203:7cb6:ce70:9b77:ed3b]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-748ff646231sm44607b3a.146.2025.06.18.19.44.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 18 Jun 2025 19:44:51 -0700 (PDT) Date: Thu, 19 Jun 2025 11:44:40 +0900 From: Sergey Senozhatsky To: David Hildenbrand Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-doc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, virtualization@lists.linux.dev, linux-fsdevel@vger.kernel.org, Andrew Morton , Jonathan Corbet , Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Jerrin Shaji George , Arnd Bergmann , Greg Kroah-Hartman , "Michael S. Tsirkin" , Jason Wang , Xuan Zhuo , Eugenio =?utf-8?B?UMOpcmV6?= , Alexander Viro , Christian Brauner , Jan Kara , Zi Yan , Matthew Brost , Joshua Hahn , Rakie Kim , Byungchul Park , Gregory Price , Ying Huang , Alistair Popple , Lorenzo Stoakes , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , "Matthew Wilcox (Oracle)" , Minchan Kim , Sergey Senozhatsky , Brendan Jackman , Johannes Weiner , Jason Gunthorpe , John Hubbard , Peter Xu , Xu Xin , Chengming Zhou , Miaohe Lin , Naoya Horiguchi , Oscar Salvador , Rik van Riel , Harry Yoo , Qi Zheng , Shakeel Butt Subject: Re: [PATCH RFC 03/29] mm/zsmalloc: drop PageIsolated() related VM_BUG_ONs Message-ID: References: <20250618174014.1168640-1-david@redhat.com> <20250618174014.1168640-4-david@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250618174014.1168640-4-david@redhat.com> X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 31E8840008 X-Stat-Signature: dayn3qwty8ysu1uiacp6798uhxju41jg X-Rspam-User: X-HE-Tag: 1750301092-73106 X-HE-Meta: U2FsdGVkX1/ceMBKNtK9xWq7Mrpqlp7P8yhNBp25FU1BLkP2JCKPrZmJNxxsSYJQ8VyKj0JXnYRRW+ASO4j4CTEHKcHTrFQmfYePPe8SATmnYXtLjspozDjEwWbXGrNvDQwmTbvyrIoxew43N3FP5SmJlBRHROHKaYHVeqQpC+xF3HpbGQ8cSm6LClnNQZcps+6AgCyD6v67X/E8c0ZYQDeMwubuaoDNbjKeA8fSovBP4sWM7B+ikKiSvenaAnrY+ya6mGhfE/6OoeR3YaXIRIwSzx+PhHX2Hk5SbUmWJjUE3kh+u2Bzj0DO8bync2qBstV4JOMzVxnV+zKCMqpZ4uBpKQkHtmNj2fHFCUQAzPD1T/PJZEzMzVDnHFhGQv7f/NdnGgTbXul5U7+/ZcTzqQqjUtvJidGcmedTGwunqIy8s1NO7c83jouJKJ8NCJXSfJdSLcgZbpSVnLFHJjkUczgWki8riClmu1IP91O/tOphNNc+9/qLhmhwPWrvWlOkp6LDXMpYwvFgqIphExQPCDdHu6xYq+SBYWboYEMGXgAGzYltkkUJEclBIuDua/TCkEh2nIRVmeoV2azTPTTFPg+LMhYxqMGQ/xnBnEJ2iAzc+PInMEnuB5O8boY5W1jFcjNkVUJChWCGUZ3M77PrLdcJARnTixM/6Y+izEKlSwprC3xKcsComOoLLQWjXu5KbxWdvlBOVvZx5rFV6rrRDeKwgoBKbD8ATm/AforkknRsrrVTaEVv4SaW/dN6fglLgeGcw3rT/arNENMxxIOeOLa1Bh898VmeJ5JV5uj/+q8DOaZxbY5chzgWCHAr0BtOygjBEA7xgmx5BKePIK8VQ2v0+lWxP/3AEIsaS5qEbqRoW+OjJkWfGo1D7epxoVziJrOUWLorLEEiC6QaEA6kq1Y834XHW8JVnk5gqrDzPpFkzGFQL4PsxXf1i4/OOWPv3vvi3cnDauCG+PidhFT qyO8sti8 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On (25/06/18 19:39), David Hildenbrand wrote: > Let's drop these checks; these are conditions the core migration code > must make sure will hold either way, no need to double check. > > Signed-off-by: David Hildenbrand Reviewed-by: Sergey Senozhatsky