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Thu, 10 Jul 2025 14:44:27 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id eGjIOsvRb2hUOgAAD6G6ig (envelope-from ); Thu, 10 Jul 2025 14:44:27 +0000 Message-ID: <8f51f972-36f4-4d87-b20c-65a08011f82e@suse.cz> Date: Thu, 10 Jul 2025 16:44:27 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 07/10] mm/mremap: move remap_is_valid() into check_prep_vma() Content-Language: en-US To: Lorenzo Stoakes , Andrew Morton Cc: Peter Xu , Alexander Viro , Christian Brauner , Jan Kara , "Liam R . Howlett" , Jann Horn , Pedro Falcato , Rik van Riel , linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org References: From: Vlastimil Babka Autocrypt: addr=vbabka@suse.cz; keydata= xsFNBFZdmxYBEADsw/SiUSjB0dM+vSh95UkgcHjzEVBlby/Fg+g42O7LAEkCYXi/vvq31JTB KxRWDHX0R2tgpFDXHnzZcQywawu8eSq0LxzxFNYMvtB7sV1pxYwej2qx9B75qW2plBs+7+YB 87tMFA+u+L4Z5xAzIimfLD5EKC56kJ1CsXlM8S/LHcmdD9Ctkn3trYDNnat0eoAcfPIP2OZ+ 9oe9IF/R28zmh0ifLXyJQQz5ofdj4bPf8ecEW0rhcqHfTD8k4yK0xxt3xW+6Exqp9n9bydiy tcSAw/TahjW6yrA+6JhSBv1v2tIm+itQc073zjSX8OFL51qQVzRFr7H2UQG33lw2QrvHRXqD Ot7ViKam7v0Ho9wEWiQOOZlHItOOXFphWb2yq3nzrKe45oWoSgkxKb97MVsQ+q2SYjJRBBH4 8qKhphADYxkIP6yut/eaj9ImvRUZZRi0DTc8xfnvHGTjKbJzC2xpFcY0DQbZzuwsIZ8OPJCc LM4S7mT25NE5kUTG/TKQCk922vRdGVMoLA7dIQrgXnRXtyT61sg8PG4wcfOnuWf8577aXP1x 6mzw3/jh3F+oSBHb/GcLC7mvWreJifUL2gEdssGfXhGWBo6zLS3qhgtwjay0Jl+kza1lo+Cv BB2T79D4WGdDuVa4eOrQ02TxqGN7G0Biz5ZLRSFzQSQwLn8fbwARAQABzSBWbGFzdGltaWwg QmFia2EgPHZiYWJrYUBzdXNlLmN6PsLBlAQTAQoAPgIbAwULCQgHAwUVCgkICwUWAgMBAAIe AQIXgBYhBKlA1DSZLC6OmRA9UCJPp+fMgqZkBQJnyBr8BQka0IFQAAoJECJPp+fMgqZkqmMQ AIbGN95ptUMUvo6aAdhxaOCHXp1DfIBuIOK/zpx8ylY4pOwu3GRe4dQ8u4XS9gaZ96Gj4bC+ jwWcSmn+TjtKW3rH1dRKopvC07tSJIGGVyw7ieV/5cbFffA8NL0ILowzVg8w1ipnz1VTkWDr 2zcfslxJsJ6vhXw5/npcY0ldeC1E8f6UUoa4eyoskd70vO0wOAoGd02ZkJoox3F5ODM0kjHu Y97VLOa3GG66lh+ZEelVZEujHfKceCw9G3PMvEzyLFbXvSOigZQMdKzQ8D/OChwqig8wFBmV QCPS4yDdmZP3oeDHRjJ9jvMUKoYODiNKsl2F+xXwyRM2qoKRqFlhCn4usVd1+wmv9iLV8nPs 2Db1ZIa49fJet3Sk3PN4bV1rAPuWvtbuTBN39Q/6MgkLTYHb84HyFKw14Rqe5YorrBLbF3rl M51Dpf6Egu1yTJDHCTEwePWug4XI11FT8lK0LNnHNpbhTCYRjX73iWOnFraJNcURld1jL1nV r/LRD+/e2gNtSTPK0Qkon6HcOBZnxRoqtazTU6YQRmGlT0v+rukj/cn5sToYibWLn+RoV1CE Qj6tApOiHBkpEsCzHGu+iDQ1WT0Idtdynst738f/uCeCMkdRu4WMZjteQaqvARFwCy3P/jpK uvzMtves5HvZw33ZwOtMCgbpce00DaET4y/UzsBNBFsZNTUBCACfQfpSsWJZyi+SHoRdVyX5 J6rI7okc4+b571a7RXD5UhS9dlVRVVAtrU9ANSLqPTQKGVxHrqD39XSw8hxK61pw8p90pg4G /N3iuWEvyt+t0SxDDkClnGsDyRhlUyEWYFEoBrrCizbmahOUwqkJbNMfzj5Y7n7OIJOxNRkB IBOjPdF26dMP69BwePQao1M8Acrrex9sAHYjQGyVmReRjVEtv9iG4DoTsnIR3amKVk6si4Ea X/mrapJqSCcBUVYUFH8M7bsm4CSxier5ofy8jTEa/CfvkqpKThTMCQPNZKY7hke5qEq1CBk2 wxhX48ZrJEFf1v3NuV3OimgsF2odzieNABEBAAHCwXwEGAEKACYCGwwWIQSpQNQ0mSwujpkQ PVAiT6fnzIKmZAUCZ8gcVAUJFhTonwAKCRAiT6fnzIKmZLY8D/9uo3Ut9yi2YCuASWxr7QQZ lJCViArjymbxYB5NdOeC50/0gnhK4pgdHlE2MdwF6o34x7TPFGpjNFvycZqccSQPJ/gibwNA zx3q9vJT4Vw+YbiyS53iSBLXMweeVV1Jd9IjAoL+EqB0cbxoFXvnjkvP1foiiF5r73jCd4PR rD+GoX5BZ7AZmFYmuJYBm28STM2NA6LhT0X+2su16f/HtummENKcMwom0hNu3MBNPUOrujtW khQrWcJNAAsy4yMoJ2Lw51T/5X5Hc7jQ9da9fyqu+phqlVtn70qpPvgWy4HRhr25fCAEXZDp xG4RNmTm+pqorHOqhBkI7wA7P/nyPo7ZEc3L+ZkQ37u0nlOyrjbNUniPGxPxv1imVq8IyycG AN5FaFxtiELK22gvudghLJaDiRBhn8/AhXc642/Z/yIpizE2xG4KU4AXzb6C+o7LX/WmmsWP Ly6jamSg6tvrdo4/e87lUedEqCtrp2o1xpn5zongf6cQkaLZKQcBQnPmgHO5OG8+50u88D9I rywqgzTUhHFKKF6/9L/lYtrNcHU8Z6Y4Ju/MLUiNYkmtrGIMnkjKCiRqlRrZE/v5YFHbayRD dJKXobXTtCBYpLJM4ZYRpGZXne/FAtWNe4KbNJJqxMvrTOrnIatPj8NhBVI0RSJRsbilh6TE m6M14QORSWTLRg== In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspam-User: X-Rspamd-Queue-Id: CAD9BA0008 X-Rspamd-Server: rspam03 X-Stat-Signature: 7br69odt5aj7qu5srasrq9e7gj7ipj8t X-HE-Tag: 1752158669-954612 X-HE-Meta: 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 Assmycdo RljnN8qFMUhM3h09V/+q7Vd53Ubh3suUKzviR7J/8f4icw/Li3ZYXaIzH/GbhWsbsNX+3EhVYKBZLi0oVbu+rpl87HuBYsauwMqUMObF5rllqNK7aKJZXnDiup4UkIOdNIfQrnlxpUd3/PfDYkfzwt6I0a7w8qZgBufElhpslUVlqyVn0xdFkbxXHbdMflxcH9tP9PBA2Szh6jSBeWKEKx9Ylxoi/OCJMDebTFxEXYJZ7zFHR4gEEf/jKTJ18CT/oazpY8CxI3xH2VMTT7OhuviW/VEcg/xi1zDOOwzl+sLTvra+RQ6XNahxCd4PE734mSia7COLS/wA8ksoDkk4VkkW6REWbI3spqxph6/PpnQw9z54= 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 7/7/25 07:27, Lorenzo Stoakes wrote: > Group parameter check logic together, moving check_mremap_params() next to > it. > > This puts all such checks into a single place, and invokes them early so we > can simply bail out as soon as we are aware that a condition is not met. > > No functional change intended. > > Signed-off-by: Lorenzo Stoakes Reviewed-by: Vlastimil Babka