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[142.68.57.212]) by smtp.gmail.com with ESMTPSA id 17sm3500884qkm.105.2020.03.27.05.16.25 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Fri, 27 Mar 2020 05:16:26 -0700 (PDT) Received: from jgg by mlx.ziepe.ca with local (Exim 4.90_1) (envelope-from ) id 1jHnuT-0007QU-EF; Fri, 27 Mar 2020 09:16:25 -0300 Date: Fri, 27 Mar 2020 09:16:25 -0300 From: Jason Gunthorpe To: Michel Lespinasse Cc: Andrew Morton , linux-mm , LKML , Peter Zijlstra , Laurent Dufour , Vlastimil Babka , Matthew Wilcox , Liam Howlett , Jerome Glisse , Davidlohr Bueso , David Rientjes , Hugh Dickins , Ying Han , Markus Elfring Subject: Re: [PATCH v2 01/10] mmap locking API: initial implementation as rwsem wrappers Message-ID: <20200327121625.GS20941@ziepe.ca> References: <20200327021058.221911-1-walken@google.com> <20200327021058.221911-2-walken@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200327021058.221911-2-walken@google.com> User-Agent: Mutt/1.9.4 (2018-02-28) 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, Mar 26, 2020 at 07:10:49PM -0700, Michel Lespinasse wrote: > +static inline bool mmap_is_locked(struct mm_struct *mm) > +{ > + return rwsem_is_locked(&mm->mmap_sem) != 0; > +} I didn't notice any callers to this in the series? Can it be deleted? Jason