From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rob Jones Subject: Re: [PATCH] fs: replace int param with size_t for seq_open_private() Date: Mon, 01 Sep 2014 16:53:40 +0100 Message-ID: <54049684.9010005@codethink.co.uk> References: <1409577428-16148-1-git-send-email-rob.jones@codethink.co.uk> <20140901153637.GI7996@ZenIV.linux.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, akpm@linux-foundation.org, linux-kernel@codethink.co.uk To: Al Viro Return-path: Received: from ducie-dc1.codethink.co.uk ([185.25.241.215]:42660 "EHLO ducie-dc1.codethink.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754181AbaIAPxp (ORCPT ); Mon, 1 Sep 2014 11:53:45 -0400 In-Reply-To: <20140901153637.GI7996@ZenIV.linux.org.uk> Sender: linux-fsdevel-owner@vger.kernel.org List-ID: On 01/09/14 16:36, Al Viro wrote: > On Mon, Sep 01, 2014 at 02:17:08PM +0100, Rob Jones wrote: > >> void *__seq_open_private(struct file *f, const struct seq_operations *ops, >> - int psize) >> + size_t psize) > > > It is a horrible limitation to impose, indeed. Why, a lousy > 2 gigabytes per line in procfs file - that's intolerable... > > Consistency? kmalloc() expects a size_t and I haven't heard anyone whingeing about that. Ultimately, this function calls kmalloc(). > -- Rob Jones Codethink Ltd mailto:rob.jones@codethink.co.uk tel:+44 161 236 5575