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Wed, 31 Jul 2024 15:03:20 +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 3177HzhSqmb5fgAAD6G6ig (envelope-from ); Wed, 31 Jul 2024 15:03:20 +0000 Message-ID: <4cbc97b4-932e-4780-bc8d-3f12d90b2d51@suse.cz> Date: Wed, 31 Jul 2024 17:03:20 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [RFC PATCH 13/20] mm: Make Kcompactd use kthread's preferred affinity Content-Language: en-US To: Frederic Weisbecker , LKML Cc: Michal Hocko , Andrew Morton , linux-mm@kvack.org, Peter Zijlstra , Thomas Gleixner References: <20240726215701.19459-1-frederic@kernel.org> <20240726215701.19459-14-frederic@kernel.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: <20240726215701.19459-14-frederic@kernel.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Action: no action X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: 4B95E120035 X-Stat-Signature: 84ji88bspnmuckgi6tzj9r31e3k47m8o X-Rspam-User: X-HE-Tag: 1722438202-515561 X-HE-Meta: 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 FPbRu47I f2IC+rw0cPcxLVdP2VicVzriDf8i+EGpcDPDCe0Cb0NFjvL+61BjJMiwiN/hWYcum9AhmnqcFUzoig4vKIALDyt078BkOwOJPMKBSAeQHkluWe4mqqdn6yODYEPdj8aW31cEPKwn/2pcxDpImGVJTzZL7QSVFrJmuBZZQK1xddgkyLmeixgaykrU+qKXYIxCsuMlXpoWDqvUXCRkEdy7+vigICo2MMmdsr85GaWp5drLugkir4Du4gsmPztOSxZ7mMMCjmXS/TaDV6jTl8MJ3g5q5jzHQbNfQRkqDMb8z+HlSTUCzvC+ssXlUbYkJUPq573y/ 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 7/26/24 11:56 PM, Frederic Weisbecker wrote: > Now that kthreads have an infrastructure to handle preferred affinity > against CPU hotplug and housekeeping cpumask, convert Kcompactd to use > it instead of handling halfway all the constraints by itself. > > Signed-off-by: Frederic Weisbecker Acked-by: Vlastimil Babka