From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from de01egw01.freescale.net (de01egw01.freescale.net [192.88.165.102]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "de01egw01.freescale.net", Issuer "Thawte Premium Server CA" (verified OK)) by ozlabs.org (Postfix) with ESMTP id 5A511DDF40 for ; Thu, 5 Apr 2007 04:34:36 +1000 (EST) Message-ID: <4613EFB3.4020104@freescale.com> Date: Wed, 04 Apr 2007 13:34:27 -0500 From: Timur Tabi MIME-Version: 1.0 To: Scott Wood Subject: Re: [PATCH] powerpc: change rheap functions to use long integers instead of pointers References: <11756161753280-git-send-email-timur@freescale.com> <4613E39A.70606@freescale.com> <4613E7CC.1020001@246tNt.com> <20070404181351.GA19855@ld0162-tx32.am.freescale.net> <4613EC2F.80109@freescale.com> <4613ED4F.2030203@freescale.com> <4613EE2C.3070104@freescale.com> <4613EF1F.6000704@freescale.com> In-Reply-To: <4613EF1F.6000704@freescale.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Cc: linuxppc-dev@ozlabs.org, Sylvain Munaut List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Scott Wood wrote: >> Otherwise, if you pass an unaligned value of 'start', then the buffer >> you get back will be less than 'size'. > > That's better than the buffer you get back being bigger than the region > that's really free... True, but I think both cases should be rejected. > If I attach a region from 0x03 to 0x2d, and the alignment is 4, then the > only sane thing to do is allocate from 0x04 to 0x2b. Or return an error. -- Timur Tabi Linux Kernel Developer @ Freescale