From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andi Kleen Date: Tue, 22 Feb 2005 12:08:41 +0000 Subject: Re: [patch -mm series] ia64 specific /dev/mem handlers Message-Id: List-Id: References: <16923.193.128608.607599@jaguar.mkp.net> <20050222020309.4289504c.akpm@osdl.org> In-Reply-To: <20050222020309.4289504c.akpm@osdl.org> (Andrew Morton's message of "Tue, 22 Feb 2005 02:03:09 -0800") MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Andrew Morton Cc: linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org Andrew Morton writes: > > Is it possible to avoid consuming a page flag? > > If this is an ia64-only (or 64-bit-only) thing I guess we could use bit 32. It's not. i386 essentially has the same problem. Other architectures likely too. We definitely need a generic solution, especially when we're going to support PAT on i386/x86-64 better (which I hope will happen soon) -Andi