From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S269659AbTGNJrX (ORCPT ); Mon, 14 Jul 2003 05:47:23 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S269941AbTGNJrW (ORCPT ); Mon, 14 Jul 2003 05:47:22 -0400 Received: from holomorphy.com ([66.224.33.161]:51149 "EHLO holomorphy") by vger.kernel.org with ESMTP id S269659AbTGNJrW (ORCPT ); Mon, 14 Jul 2003 05:47:22 -0400 Date: Mon, 14 Jul 2003 03:03:19 -0700 From: William Lee Irwin III To: Geert Uytterhoeven Cc: James Morris , lkml Subject: Re: kmap_types.h (was: Re: Linux 2.4.22-pre3) Message-ID: <20030714100319.GG15452@holomorphy.com> Mail-Followup-To: William Lee Irwin III , Geert Uytterhoeven , James Morris , lkml References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Organization: The Domain of Holomorphy User-Agent: Mutt/1.5.4i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sat, 5 Jul 2003, Marcelo Tosatti wrote: >> o [CRYPTO-2.4]: Add dummy kmap_types.h header for sparc64 On Mon, Jul 14, 2003 at 11:55:40AM +0200, Geert Uytterhoeven wrote: > What are the actual purpose and semantics of the KM_* types? I need to add them > for m68k to make crypto compile. > Gr{oetje,eeting}s, > Geert They're per-cpu virtualspace reservations for predetermined purposes. It's for a variant of kmap() usable under spinlocks and in interrupt handlers. If you don't have highmem, you just don't care. -- wli