From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.4 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7EB19C2D0E5 for ; Fri, 27 Mar 2020 12:16:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5491720774 for ; Fri, 27 Mar 2020 12:16:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=ziepe.ca header.i=@ziepe.ca header.b="ZORz3IQa" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727656AbgC0MQ2 (ORCPT ); Fri, 27 Mar 2020 08:16:28 -0400 Received: from mail-qv1-f66.google.com ([209.85.219.66]:33000 "EHLO mail-qv1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726661AbgC0MQ1 (ORCPT ); Fri, 27 Mar 2020 08:16:27 -0400 Received: by mail-qv1-f66.google.com with SMTP id p19so4730967qve.0 for ; Fri, 27 Mar 2020 05:16:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ziepe.ca; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=S/ta/XSnHTGzReKRmYeOqvL+o0DEdbV+GJUdYHEwsAM=; b=ZORz3IQa1vSFeMnbdYj6MSqI9MkOTJC0QA1qNwwPop1+HwvEd7bZ4cOs2Z8aVZXKy0 F8txb/jEslWWWBSkNVrZM9ovOtEkCIP8yA62Uf6jh/OrVX86ryJvXp4bj12XL2jAkeTm SNpVH5pzKTGH7I2ddnJwaxLeKRdqYXorni/5sWOR6A+Bq+xUpH01BvYo5hjz5WniTQbx c6p7+FHxJiXDoiSF+qppko6XlaBVziQ8lqoZAM2NcvmZnDj9ckA5OoCu1zI23u86rvIM GPmSD0MWABUGFgTS/COIJCt5Xrbwu22/v1WVFmv18apwzN8ma0kBhTaDRrIE60lhuQY8 5VUg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=S/ta/XSnHTGzReKRmYeOqvL+o0DEdbV+GJUdYHEwsAM=; b=BSsngBYE7kPBjk2zaaNPLLuROKmpyRL6bEBi/PaQwYW3f7V7UduocXimv1BHkGqvJA 4FDxNjeF5U9PexRoUsnRMyrVHzTqbXld84nKXutONDXZAuf8F9mphrZS2xwgfyJBReDh PMweeY/Y0JugGZuirVR6OHrr7HHru8KgDh6ASm4eb/MxTdde08DGGrckTD8d1JNiISYb 7nVRgBAAArC0+VC719URTeUBikeVOYdcasZluhoxFzZc16I/Txw1MQ6xNpc1tEeVVtkn LvKTS3bbhYxtFyyuvF7WwcUkanUyuzZU9YYlQnixGApWFxbVxkS3N9sXzGq0+2LstR+x 7PrA== X-Gm-Message-State: ANhLgQ34d5Y8Kkml7twwWAbWc3hMOlChPcZBL34kmBcJaTwxCcJRsDbn waXIKoQUp2CMNzJbenoyk1p5mQ== X-Google-Smtp-Source: ADFU+vv7TdbZ+yEnsLfOzkI96fzPdYyFM5bhu2lYotTNuOnZpGbEoNwugSKeHBoAdhrhfHq5OXZkSg== X-Received: by 2002:a05:6214:68f:: with SMTP id r15mr12825495qvz.96.1585311386587; Fri, 27 Mar 2020 05:16:26 -0700 (PDT) Received: from ziepe.ca (hlfxns017vw-142-68-57-212.dhcp-dynamic.fibreop.ns.bellaliant.net. [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) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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