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Tue, 25 Feb 2025 11:01:19 +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 Jqi1Mv+ivWewMwAAD6G6ig (envelope-from ); Tue, 25 Feb 2025 11:01:19 +0000 Message-ID: <1dccc5a4-76fd-453c-86e5-979fa0d5ba9c@suse.cz> Date: Tue, 25 Feb 2025 12:01:19 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 2/3] mm: page_alloc: remove remnants of unlocked migratetype updates Content-Language: en-US To: Johannes Weiner , Andrew Morton Cc: Brendan Jackman , linux-mm@kvack.org, linux-kernel@vger.kernel.org References: <20250225001023.1494422-1-hannes@cmpxchg.org> <20250225001023.1494422-3-hannes@cmpxchg.org> 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+fMgqZkBQJkBREIBQkRadznAAoJECJPp+fMgqZkNxIQ ALZRqwdUGzqL2aeSavbum/VF/+td+nZfuH0xeWiO2w8mG0+nPd5j9ujYeHcUP1edE7uQrjOC Gs9sm8+W1xYnbClMJTsXiAV88D2btFUdU1mCXURAL9wWZ8Jsmz5ZH2V6AUszvNezsS/VIT87 AmTtj31TLDGwdxaZTSYLwAOOOtyqafOEq+gJB30RxTRE3h3G1zpO7OM9K6ysLdAlwAGYWgJJ V4JqGsQ/lyEtxxFpUCjb5Pztp7cQxhlkil0oBYHkudiG8j1U3DG8iC6rnB4yJaLphKx57NuQ PIY0Bccg+r9gIQ4XeSK2PQhdXdy3UWBr913ZQ9AI2usid3s5vabo4iBvpJNFLgUmxFnr73SJ KsRh/2OBsg1XXF/wRQGBO9vRuJUAbnaIVcmGOUogdBVS9Sun/Sy4GNA++KtFZK95U7J417/J Hub2xV6Ehc7UGW6fIvIQmzJ3zaTEfuriU1P8ayfddrAgZb25JnOW7L1zdYL8rXiezOyYZ8Fm ZyXjzWdO0RpxcUEp6GsJr11Bc4F3aae9OZtwtLL/jxc7y6pUugB00PodgnQ6CMcfR/HjXlae h2VS3zl9+tQWHu6s1R58t5BuMS2FNA58wU/IazImc/ZQA+slDBfhRDGYlExjg19UXWe/gMcl De3P1kxYPgZdGE2eZpRLIbt+rYnqQKy8UxlszsBNBFsZNTUBCACfQfpSsWJZyi+SHoRdVyX5 J6rI7okc4+b571a7RXD5UhS9dlVRVVAtrU9ANSLqPTQKGVxHrqD39XSw8hxK61pw8p90pg4G /N3iuWEvyt+t0SxDDkClnGsDyRhlUyEWYFEoBrrCizbmahOUwqkJbNMfzj5Y7n7OIJOxNRkB IBOjPdF26dMP69BwePQao1M8Acrrex9sAHYjQGyVmReRjVEtv9iG4DoTsnIR3amKVk6si4Ea X/mrapJqSCcBUVYUFH8M7bsm4CSxier5ofy8jTEa/CfvkqpKThTMCQPNZKY7hke5qEq1CBk2 wxhX48ZrJEFf1v3NuV3OimgsF2odzieNABEBAAHCwXwEGAEKACYCGwwWIQSpQNQ0mSwujpkQ PVAiT6fnzIKmZAUCZAUSmwUJDK5EZgAKCRAiT6fnzIKmZOJGEACOKABgo9wJXsbWhGWYO7mD 8R8mUyJHqbvaz+yTLnvRwfe/VwafFfDMx5GYVYzMY9TWpA8psFTKTUIIQmx2scYsRBUwm5VI EurRWKqENcDRjyo+ol59j0FViYysjQQeobXBDDE31t5SBg++veI6tXfpco/UiKEsDswL1WAr tEAZaruo7254TyH+gydURl2wJuzo/aZ7Y7PpqaODbYv727Dvm5eX64HCyyAH0s6sOCyGF5/p eIhrOn24oBf67KtdAN3H9JoFNUVTYJc1VJU3R1JtVdgwEdr+NEciEfYl0O19VpLE/PZxP4wX PWnhf5WjdoNI1Xec+RcJ5p/pSel0jnvBX8L2cmniYnmI883NhtGZsEWj++wyKiS4NranDFlA HdDM3b4lUth1pTtABKQ1YuTvehj7EfoWD3bv9kuGZGPrAeFNiHPdOT7DaXKeHpW9homgtBxj 8aX/UkSvEGJKUEbFL9cVa5tzyialGkSiZJNkWgeHe+jEcfRT6pJZOJidSCdzvJpbdJmm+eED w9XOLH1IIWh7RURU7G1iOfEfmImFeC3cbbS73LQEFGe1urxvIH5K/7vX+FkNcr9ujwWuPE9b 1C2o4i/yZPLXIVy387EjA6GZMqvQUFuSTs/GeBcv0NjIQi8867H3uLjz+mQy63fAitsDwLmR EP+ylKVEKb0Q2A== In-Reply-To: <20250225001023.1494422-3-hannes@cmpxchg.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Action: no action X-Rspam-User: X-Rspamd-Queue-Id: 846661A001E X-Stat-Signature: 7sf3garss8d18joxbdqjfusodrxs7byf X-Rspamd-Server: rspam03 X-HE-Tag: 1740481282-486662 X-HE-Meta: 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 2n//U/sI TG2BEs9aIpjhubqx1SIRd2Cb1tBuyVWpktC6hN2jjVHQ7DJcfPjsYMe2PT8aiYgeIx7AvpNh05kH3VOLqG8d2gZGboL2NDh/D0iVlYRg+GRL0nz/foKsTM1FEl2/Bpd4vff0fbHZsKGrgRHcDZXTqq3aWhrBHkMhYY+DYfcuPJ3Z/ys9yu0ZmMKKwKhp2e2AE1VRiSWDc+w1d4geQLJD/GzChITV8twAbVC6Rl9Pah7Rtm8dWFauEeYsUxy3KFO71dMRoCIKMsT4merVaRu6RBTiC2v6yAvh4zkxgVIRijqiNGtJuymvvjQW/0vYzOj/uSK9dg+c9/9RMbowjqT2PRZZosFrwyaIOH6Bso+5gcDFeuqMhUuQUiMmpp9BjiwyhC9AX/c3tLDsNFY6czxCTj+Ol7JuhH56FlDapGL57RTor7t4= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000080, 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 2/25/25 01:08, Johannes Weiner wrote: > The freelist hygiene patches made migratetype accesses fully protected > under the zone->lock. Remove remnants of handling the race conditions > that existed before from the MIGRATE_HIGHATOMIC code. > > Signed-off-by: Johannes Weiner Reviewed-by: Vlastimil Babka