From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Tue, 17 Aug 1999 14:38:20 +0200 (CEST) From: Andrea Arcangeli Subject: Re: [bigmem-patch] 4GB with Linux on IA32 In-Reply-To: <199908170629.XAA23911@pizda.davem.net> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: "David S. Miller" Cc: kanoj@google.engr.sgi.com, alan@lxorguk.ukuu.org.uk, torvalds@transmeta.com, sct@redhat.com, Gerhard.Wichert@pdb.siemens.de, Winfried.Gerhard@pdb.siemens.de, linux-kernel@vger.rutgers.edu, linux-mm@kvack.org List-ID: On Mon, 16 Aug 1999, David S. Miller wrote: > From: kanoj@google.engr.sgi.com (Kanoj Sarcar) > Date: Mon, 16 Aug 1999 16:28:58 -0700 (PDT) > > For example, on a 2.2.10 kernel: > [kanoj@entity kern]$ gid __va | grep drivers > drivers/char/mem.c:124: if (copy_to_user(buf, __va(p), count)) > drivers/char/mem.c:142: return do_write_mem(file, __va(p), p, buf, count, ppos); > >Ok, this one could be a problem. It isn't. The bigmem is not readable from /dev/mem right now. Andrea -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://humbolt.geo.uu.nl/Linux-MM/