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[209.132.180.67]) by mx.google.com with ESMTP id o10si1220448pgf.102.2018.02.07.09.56.34; Wed, 07 Feb 2018 09:56:50 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754239AbeBGRy1 (ORCPT + 99 others); Wed, 7 Feb 2018 12:54:27 -0500 Received: from resqmta-ch2-11v.sys.comcast.net ([69.252.207.43]:51412 "EHLO resqmta-ch2-11v.sys.comcast.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753896AbeBGRyZ (ORCPT ); Wed, 7 Feb 2018 12:54:25 -0500 Received: from resomta-ch2-03v.sys.comcast.net ([69.252.207.99]) by resqmta-ch2-11v.sys.comcast.net with ESMTP id jTvDeU0DbAbqujTvMevrKm; Wed, 07 Feb 2018 17:54:24 +0000 Received: from gentwo.org ([98.222.162.64]) by resomta-ch2-03v.sys.comcast.net with SMTP id jTvKeYxUsaPMUjTvLeQMLX; Wed, 07 Feb 2018 17:54:24 +0000 Received: by gentwo.org (Postfix, from userid 1001) id CB4871161663; Wed, 7 Feb 2018 11:54:22 -0600 (CST) Received: from localhost (localhost [127.0.0.1]) by gentwo.org (Postfix) with ESMTP id C7127116165A; Wed, 7 Feb 2018 11:54:22 -0600 (CST) Date: Wed, 7 Feb 2018 11:54:22 -0600 (CST) From: Christopher Lameter X-X-Sender: cl@nuc-kabylake To: Steven Rostedt cc: Matthew Wilcox , "Paul E. McKenney" , Kirill Tkhai , josh@joshtriplett.org, mathieu.desnoyers@efficios.com, jiangshanlai@gmail.com, mingo@redhat.com, penberg@kernel.org, rientjes@google.com, iamjoonsoo.kim@lge.com, akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, brouer@redhat.com, rao.shoaib@oracle.com Subject: Re: [PATCH 0/2] rcu: Transform kfree_rcu() into kvfree_rcu() In-Reply-To: <20180207122910.1a91a48e@gandalf.local.home> Message-ID: References: <151791170164.5994.8253310844733420079.stgit@localhost.localdomain> <20180207021703.GC3617@linux.vnet.ibm.com> <20180207042334.GA16175@bombadil.infradead.org> <20180207120949.62fa815f@gandalf.local.home> <20180207171936.GA12446@bombadil.infradead.org> <20180207122910.1a91a48e@gandalf.local.home> User-Agent: Alpine 2.20 (DEB 67 2015-01-07) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-CMAE-Envelope: MS4wfOnw7sutZvncgfyDJO89s+RkTHRH3/dniDNsnIDaRi91Vl1cOcWuONdCZpOAt4YuyHOHQOGgs8JdCC3UciNnRFEtgPTYLxP51vh121ZiGJzRd7zHoHkY i4Hqs4ISZMFsjXFL467BDDnUG8sz8tyxbFIgIninIoa/EQZTM8JsdhfkqbEIEOh7t6Yhn7ex7kLkvAQENdNPc/L9SHopQ8gEDzlEKAvJjmTkqhNR1hZoZoXN XiB1sewFnsLTh8fDYWqPUp9EYVJSmhT8eloAp0OPKVfHJ+PEXrhmC/bt3dzKI8dX8ffzacrSflt599Zre260D0UMYgCVxNkU4mc0FSquZJRcofNuJ9+ZThUc Vruyxl0X+xUPKaZqNluIpDIXdjgKctZ6JBhYeOY8U9RryfMWMMc/jiuAWYClyvHDil0Ao0uo4e2AjeYoXZGadcxqy1M3X1rmerr1V5uw6xbAgjpDwHPpCEJI HKSyLr3OrOxcmokq6VSC38b97kAcn8vGVoUVjaDtmcKVYW1y1nx/5PGTsxG6GDAwkhbxdi09/4K6mOuEthk69nlN+uQt06Gu9uvxue6gKYFHCdgrnmENY1wZ efIpfoqdbCE+kXOjLBir8HAwx2SUJ0YLnURu9gLrpJ9J4tNmJlhRohtROF4nIkKKdxkWRb/VRZ2HYbx7EmaePSrk Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 7 Feb 2018, Steven Rostedt wrote: > But a generic "malloc" or "free" that does things differently depending > on the size is a different story. They would not be used for cases with special requirements but for the throwaway allows where noone cares about these details. Its just a convenience for the developers that do not need to be bothered with too much detail because they are not dealing with codepaths that have special requirements.