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d=linux-foundation.org; s=korg; t=1694895183; bh=UAYiYwiz1QUuo/1OrgH7awbGSA0xwqGi6uf3RFIGe9U=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=VcGbmb5axXWDHl0ZARVRMyPPmtgkTL8CGsyCs9ko9BceDWU6tqMaktI/GOoQMtHpr GJ7zLy/RfTR6csb9NdNfnEVu26JmgPaFJsOMG2dIAn+9STfuYZzNx3aPL2BOBXZt+D uMUYRgU69K8sbaWKW/OpXVv8WJc+ivHZmlwF52VU= Date: Sat, 16 Sep 2023 13:13:02 -0700 From: Andrew Morton To: Mike Kravetz Cc: Johannes Weiner , Vlastimil Babka , Mel Gorman , Miaohe Lin , Kefeng Wang , Zi Yan , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH V2 0/6] mm: page_alloc: freelist migratetype hygiene Message-Id: <20230916131302.252399080ac5b4d983668f7e@linux-foundation.org> In-Reply-To: <20230916195739.GB618858@monkey> References: <20230911195023.247694-1-hannes@cmpxchg.org> <20230914235238.GB129171@monkey> <20230915141610.GA104956@cmpxchg.org> <20230916195739.GB618858@monkey> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 5B9038000E X-Rspam-User: X-Rspamd-Server: rspam05 X-Stat-Signature: 76m87pmq9wdusc1h446rthqyzrkxrz3x X-HE-Tag: 1694895188-874292 X-HE-Meta: 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 shmeHVKy AzYemYoFFMDn26dyH32QigOnfVhrd8QcHNNisTd2GMW03F8uCj9J0kXUUIR7QlcVZRb+SnRuYKQyWDgf4FN4ncwNAdqn1xOt/kT47RyfN2TEIys8Sn1ZptauFNDmWwsBCs1aZZMNd+J6dXdV72JmLtOftkNfdxMbJxYWDK4gLCjpApEzVOcsJs0+hLihuKtObT8tS9XpLbMYW0Bhf1eKLXYDtHBdYPDROIASfkvs+i1GHed3HRr/zxOWtCRBmTFaQNSojeNkQFDKDiC9oHPXEdAPG5gAbHc7JqrDAmrrA3gj7vH9of8v+Raw4uQyzJKnP2M8zaBFsyVifCLQgkP2ARQqOpQJgeBnbxMmzJ4hSuCF9Ua2VXSt7Gd1DSzPl9TauTZk7p1thJDSz3cI= 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: On Sat, 16 Sep 2023 12:57:39 -0700 Mike Kravetz wrote: > > So this was purely a sanity check against the pcpmigratetype cache > > operations. With that gone, we can remove it. > > With the patch below applied, a slightly different workload triggers the > following warnings. It seems related, and appears to go away when > reverting the series. Thanks, I've dropped this v2 series from mm.git.