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Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1qe61K-007wkO-JT; Thu, 07 Sep 2023 03:49:30 +0000 Date: Thu, 7 Sep 2023 04:49:30 +0100 From: Matthew Wilcox To: =?utf-8?B?7Ius7J6s7ISg?= Cc: "liam.howlett@oracle.com" , "surenb@google.com" , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" , "jaewon31.kim@gmail.com" , "maple-tree@lists.infradead.org" Subject: Re: [PATCH] maple_tree: use GFP_KERNEL on mas_node_count Message-ID: References: <20230907033914epcms1p61c5eed4d34d5c4212436c201f33292b3@epcms1p6> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20230907033914epcms1p61c5eed4d34d5c4212436c201f33292b3@epcms1p6> X-Rspamd-Queue-Id: 7460A40003 X-Rspam-User: X-Rspamd-Server: rspam05 X-Stat-Signature: mmonhiskr3g8xujd7u66z4zn3inpduht X-HE-Tag: 1694058581-747528 X-HE-Meta: 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 Z5h76XWm 04qsj1H0k2Mj8Y95Ka41jVYrVHaZoceLVOj7R3SF7D7W4JkLDM9ZcDqQuZgEePKCfn254c7Y9K51zx8oBustGp+52IQK3OAOaxMzcIB8aIfyV0II2q/RPIC4MkuvSQdzaB6r2mtiqOTVm6zMRUkw0+McJHKRbkKXCQExQhn5FvKzsny4a+JcwOWSDfGkbQXjpv2o1T6FwZbZs6Gnk9La0a/+SzlpYVvCx46phjZIWLUSEznN1fG1tOF+zUhmm1src8TS3QiS9wqxlRtv2SS6n84Ln3EvsJtU2ZyvoqX4GAV5nF1k= 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 Thu, Sep 07, 2023 at 12:39:14PM +0900, 심재선 wrote: > Use GFP_KERNEL on mas_node_count instead of GFP_NOWAIT | __GFP_NOWARN > in order to allow memory reclaim. What testing did you do of this patch? In particular, did you try it with lockdep enabled?