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a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1767700424; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=zB04r8KlgQGhuegiaiZFqUY3G4Ol0Y1xiXaAvNuHe+8=; b=kaQF6HT9a4WGs+L3cr/eNbbwlvXfSIcXg/16BvzKYd2sjTi8uAc+FvlIEA/K0HNrOFQY+h TBEBzulfmuTgHzbAwR42QZlH9Zx1KfPkY+fE48TBfQpUq5ISiqAekJxxh3qXrPtxg55vfw viod910XUjNXEb6yx+DgvygIVvJYzWo= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 10A0A438B6; Tue, 6 Jan 2026 11:53:43 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5B8EFC116C6; Tue, 6 Jan 2026 11:53:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1767700422; bh=Xvn0KzHIQsQJ6c1k2KNmeqFTL3hrNo5vss3Rvb9PW70=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=mpWa0tkGKJJZcUU3PuFjeMR/w4u/o/WnuY5JZwNftW24ZMVIAH1rUX5AeBEAhwk+G 5FH/DgK5ZQpwuAA1JpxnW1WkYQHNNXapqhx+i2vJnP44dxhugTeSPcGb5gfHCXEEcd 8+7jWpgOnkoE1gNPD8GHpdpsLrJdUYMJCUWvFIdHAfpCZUN6M7VI84+I8fUNPtnBSp UDQgttD3jejLWDfzwXhHTLSaOAH0lkle2WsEWJ/dAmyh00V63xrekOvaD9nN3Vz8XB F2BI4Ff7TEM2WNYd3v0cJaFyvLuXWxyK6m80OiMxckLMMqH0sNml2VqfWc0vR8hxto 8WJD8ndFbIg6w== Date: Tue, 6 Jan 2026 13:53:34 +0200 From: Mike Rapoport To: "David Hildenbrand (Red Hat)" Cc: Michal Hocko , =?utf-8?B?bWluZ3podS53YW5nKOeOi+aYjuePoCk=?= , "kees@kernel.org" , "mingo@redhat.com" , "peterz@infradead.org" , "akpm@linux-foundation.org" , "dietmar.eggemann@arm.com" , "mgorman@suse.de" , "vbabka@suse.cz" , "surenb@google.com" , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" , Jiazi Li Subject: Re: [PATCH RESEND] kernel/fork: Update obsolete use_mm references to kthread_use_mm Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-Rspam-User: X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: 2F599C000D X-Stat-Signature: tr6sext5k8nh56nnnqfu3wmxwwjyijra X-HE-Tag: 1767700424-981637 X-HE-Meta: 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 Y0yDWuPB 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 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 Tue, Jan 06, 2026 at 10:29:03AM +0100, David Hildenbrand (Red Hat) wrote: > On 1/6/26 10:26, Michal Hocko wrote: > > On Tue 06-01-26 07:05:28, mingzhu.wang(王明珠) wrote: > > > The comment for get_task_mm() in kernel/fork.c incorrectly references the deprecated function `use_mm()`, which has been renamed to `kthread_use_mm()` in kernel/kthread.c. > > > This patch updates the documentation to reflect the current function names, ensuring accuracy when developers refer to the kernel thread memory context API. > > > No functional changes were introduced. > > > > > > Signed-off-by: mingzhu.wang > > > --- > > > kernel/fork.c | 2 +- > > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > > > diff --git a/kernel/fork.c b/kernel/fork.c index c4ada32598bd..64e228c541bc 100644 > > > --- a/kernel/fork.c > > > +++ b/kernel/fork.c > > > @@ -1312,7 +1312,7 @@ struct file *get_task_exe_file(struct task_struct *task) > > > * @task: The task. > > > * > > > * Returns %NULL if the task has no mm. Checks PF_KTHREAD (meaning > > > - * this kernel workthread has transiently adopted a user mm with use_mm, > > > + * this kernel workthread has transiently adopted a user mm with > > > + kthread_use_mm, > > > > Please do not wrap the line here. > > But please do so in the patch description, where the maximum should usually > be 72 characters per line. :) 75 ;-P https://docs.kernel.org/process/submitting-patches.html#describe-your-changes > -- > Cheers > David -- Sincerely yours, Mike.