From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Sat, 30 Sep 2006 11:48:56 -0700 (PDT) From: Christoph Lameter Subject: Re: [PATCH] Get rid of zone_table V2 In-Reply-To: Message-ID: References: <20060924030643.e57f700c.akpm@osdl.org> <20060927021934.9461b867.akpm@osdl.org> <451A6034.20305@shadowen.org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: Andy Whitcroft Cc: Andrew Morton , linux-mm@kvack.org, Dave Hansen List-ID: Insure that ZONEID_PGSHIFT is set even if ZONES_WIDTH is 0. Andy needs to review this. Signed-off-by: Christoph Lameter Index: linux-2.6.18-mm2/include/linux/mm.h =================================================================== --- linux-2.6.18-mm2.orig/include/linux/mm.h 2006-09-30 13:23:06.604463587 -0500 +++ linux-2.6.18-mm2/include/linux/mm.h 2006-09-30 13:33:27.443455364 -0500 @@ -421,7 +421,12 @@ void split_page(struct page *page, unsig #else #define ZONEID_SHIFT (NODES_SHIFT + ZONES_SHIFT) #endif + +#if ZONES_WIDTH > 0 #define ZONEID_PGSHIFT ZONES_PGSHIFT +#else +#define ZONEID_PGSHIFT NODES_PGOFF +#endif #if SECTIONS_WIDTH+NODES_WIDTH+ZONES_WIDTH > FLAGS_RESERVED #error SECTIONS_WIDTH+NODES_WIDTH+ZONES_WIDTH > FLAGS_RESERVED -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org