From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx200.postini.com [74.125.245.200]) by kanga.kvack.org (Postfix) with SMTP id C06BD6B0044 for ; Thu, 22 Mar 2012 17:41:24 -0400 (EDT) Date: Thu, 22 Mar 2012 14:41:22 -0700 From: Andrew Morton Subject: Re: [PATCH 00/16] mm: prepare for converting vm->vm_flags to 64-bit Message-Id: <20120322144122.59d12051.akpm@linux-foundation.org> In-Reply-To: <20120322212810.GE6589@ZenIV.linux.org.uk> References: <20120321065140.13852.52315.stgit@zurg> <20120321100602.GA5522@barrios> <4F69D496.2040509@openvz.org> <20120322142647.42395398.akpm@linux-foundation.org> <20120322212810.GE6589@ZenIV.linux.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Al Viro Cc: Konstantin Khlebnikov , Minchan Kim , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" , Linus Torvalds , Hugh Dickins , KOSAKI Motohiro , Ben Herrenschmidt , "linux@arm.linux.org.uk" On Thu, 22 Mar 2012 21:28:11 +0000 Al Viro wrote: > On Thu, Mar 22, 2012 at 02:26:47PM -0700, Andrew Morton wrote: > > It would be nice to find some way of triggering compiler warnings or > > sparse warnings if someone mixes a 32-bit type with a vm_flags_t. Any > > thoughts on this? > > > > (Maybe that's what __nocast does, but Documentation/sparse.txt doesn't > > describe it) > > Use __bitwise for that - check how gfp_t is handled. So what does __nocast do? -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org