Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752625AbdDNH53 (ORCPT ); Fri, 14 Apr 2017 03:57:29 -0400 Received: from a.mx.secunet.com ([62.96.220.36]:52732 "EHLO a.mx.secunet.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752028AbdDNH5Y (ORCPT ); Fri, 14 Apr 2017 03:57:24 -0400 Date: Fri, 14 Apr 2017 09:57:12 +0200 From: Steffen Klassert To: "Jason A. Donenfeld" CC: , Subject: Re: [PATCH] padata: allow caller to control queue length Message-ID: <20170414075711.GJ12763@secunet.com> References: <20170413095213.23513-1-Jason@zx2c4.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20170413095213.23513-1-Jason@zx2c4.com> User-Agent: Mutt/1.5.24 (2015-08-30) X-Originating-IP: [10.182.7.193] X-G-Data-MailSecurity-for-Exchange-State: 0 X-G-Data-MailSecurity-for-Exchange-Error: 0 X-G-Data-MailSecurity-for-Exchange-Sender: 23 X-G-Data-MailSecurity-for-Exchange-Server: d65e63f7-5c15-413f-8f63-c0d707471c93 X-EXCLAIMER-MD-CONFIG: 2c86f778-e09b-4440-8b15-867914633a10 X-G-Data-MailSecurity-for-Exchange-Guid: FD7E765E-15BC-4CED-883A-E766C53EE5DA Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 681 Lines: 12 On Thu, Apr 13, 2017 at 11:52:13AM +0200, Jason A. Donenfeld wrote: > Allow users of padata to determine the queue length themselves, via this > added helper function, so that we can later remove the hard-coded 1000- > job limit. We thus add a helper function, and then move the limiting > functionality to pcrypt-proper, since it was the only current consumer > relying on the 1000-job limit. We do, however, impose a limit on padata > so that the reference count does not have an integer overflow. > > Signed-off-by: Jason A. Donenfeld Why do we need this? As long as we don't have a user that needs a different limit, this patch adds just some useless code.