From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chen Gang Subject: Re: [PATCH] arch: uapi: asm: mman.h: Let MADV_FREE have same value for all architectures Date: Sat, 06 Dec 2014 05:51:49 +0800 Message-ID: <548228F5.4020801@gmail.com> References: <5480E715.3020900@gmail.com> <20141205001446.GC10064@birch.djwong.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20141205001446.GC10064-PTl6brltDGh4DFYR7WNSRA@public.gmane.org> Sender: linux-api-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: "Darrick J. Wong" Cc: "akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org" , "rth-hL46jP5Bxq7R7s880joybQ@public.gmane.org" , "ink-biIs/Y0ymYJMZLIVYojuPNP0rXTJTi09@public.gmane.org" , "mattst88-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org" , Ralf Baechle , "jejb-6jwH94ZQLHl74goWV3ctuw@public.gmane.org" , "deller-Mmb7MZpHnFY@public.gmane.org" , "chris-YvXeqwSYzG2sTnJN9+BGXg@public.gmane.org" , "jcmvbkbc-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org" , Arnd Bergmann , minchan-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, "linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , linux-arch-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-api@vger.kernel.org On 12/05/2014 08:14 AM, Darrick J. Wong wrote: > On Fri, Dec 05, 2014 at 06:58:29AM +0800, Chen Gang wrote: >> For uapi, need try to let all macros have same value, and MADV_FREE is >> added into main branch recently, so need redefine MADV_FREE for it. >> >> At present, '8' can be shared with all architectures, so redefine it to >> '8'. > > Hmmm... you might want to talk to the dietlibc people if you do this: > > $ grep -rn MADV_FREE /usr/include/ > /usr/include/diet/sys/mman.h:101:#define MADV_FREE 0x5 /* (Solaris) contents can be freed */ > > Though the sole definition only exists on sparc/powerpc/powerpc64, so who > knows... > Excuse me, I am not quite familiar about dietlibc. If possible, please help forward this mail to them, and Cc me (if necessary). Thanks. -- Chen Gang Open share and attitude like air water and life which God blessed