From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Mon, 28 Nov 2005 20:36:10 +0900 From: Yasunori Goto Subject: [Patch] New zone ZONE_EASY_RECLAIM take 2[1/5] Message-Id: <20051128200009.5D7A.Y-GOTO@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: linux-mm , Linux Hotplug Memory Support Cc: Joel Schopp , linux-ia64@vger.kernel.org List-ID: This defines __GFP flag for new zone with GFP_DMA32. Signed-off-by: Yasunori Goto Index: new_zone_mm/include/linux/gfp.h =================================================================== --- new_zone_mm.orig/include/linux/gfp.h 2005-11-17 16:47:04.000000000 +0900 +++ new_zone_mm/include/linux/gfp.h 2005-11-17 17:29:16.000000000 +0900 @@ -16,10 +16,13 @@ struct vm_area_struct; #define __GFP_HIGHMEM ((__force gfp_t)0x02u) #ifdef CONFIG_DMA_IS_DMA32 #define __GFP_DMA32 ((__force gfp_t)0x01) /* ZONE_DMA is ZONE_DMA32 */ +#define __GFP_EASY_RECLAIM ((__force gfp_t)0x04u) #elif BITS_PER_LONG < 64 #define __GFP_DMA32 ((__force gfp_t)0x00) /* ZONE_NORMAL is ZONE_DMA32 */ +#define __GFP_EASY_RECLAIM ((__force gfp_t)0x04u) #else #define __GFP_DMA32 ((__force gfp_t)0x04) /* Has own ZONE_DMA32 */ +#define __GFP_EASY_RECLAIM ((__force gfp_t)0x08u) #endif /* @@ -66,7 +69,7 @@ struct vm_area_struct; #define GFP_USER (__GFP_VALID | __GFP_WAIT | __GFP_IO | __GFP_FS | \ __GFP_HARDWALL) #define GFP_HIGHUSER (__GFP_VALID | __GFP_WAIT | __GFP_IO | __GFP_FS | \ - __GFP_HIGHMEM | __GFP_HARDWALL) + __GFP_HIGHMEM | __GFP_HARDWALL | __GFP_EASY_RECLAIM) /* Flag - indicates that the buffer will be suitable for DMA. Ignored on some platforms, used as appropriate on others */ Index: new_zone_mm/include/linux/mmzone.h =================================================================== --- new_zone_mm.orig/include/linux/mmzone.h 2005-11-17 16:47:04.000000000 +0900 +++ new_zone_mm/include/linux/mmzone.h 2005-11-17 17:29:01.000000000 +0900 @@ -92,7 +92,7 @@ struct per_cpu_pageset { * be 8 (2 ** 3) zonelists. GFP_ZONETYPES defines the number of possible * combinations of zone modifiers in "zone modifier space". */ -#define GFP_ZONEMASK 0x03 +#define GFP_ZONEMASK 0x0f /* * As an optimisation any zone modifier bits which are only valid when -- Yasunori Goto -- 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