From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Subject: Re: [[PATCH v1] 12/37] [CIFS] SMBD: Handle send completion from CQ Date: Sun, 13 Aug 2017 03:19:45 -0700 Message-ID: <20170813101945.GE17287@infradead.org> References: <1501704648-20159-1-git-send-email-longli@exchange.microsoft.com> <1501704648-20159-13-git-send-email-longli@exchange.microsoft.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Steve French , linux-cifs@vger.kernel.org, samba-technical@lists.samba.org, linux-kernel@vger.kernel.org, Long Li To: Long Li Return-path: Content-Disposition: inline In-Reply-To: <1501704648-20159-13-git-send-email-longli@exchange.microsoft.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-cifs.vger.kernel.org You seem to be doing memory allocations and frees for every packet on the write. At least for other RDMA protocols that would have been a major performance issue. Do you have any performance numbers and/or profiles of the code?