From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Sat, 10 Dec 2005 20:02:42 +0900 From: Yasunori Goto Subject: [Patch] New zone ZONE_EASY_RECLAIM take 3. (define gfp_easy_relcaim)[1/5] Message-Id: <20051210193701.4826.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 Hotplug Memory Support , linux-mm Cc: Joel Schopp List-ID: This defines __GFP flag for new zone with GFP_DMA32. Signed-off-by: Yasunori Goto Index: zone_reclaim/include/linux/gfp.h =================================================================== --- zone_reclaim.orig/include/linux/gfp.h 2005-12-06 12:07:33.000000000 +0900 +++ zone_reclaim/include/linux/gfp.h 2005-12-06 13:51:33.000000000 +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 /* @@ -64,7 +67,7 @@ struct vm_area_struct; #define GFP_KERNEL (__GFP_WAIT | __GFP_IO | __GFP_FS) #define GFP_USER (__GFP_WAIT | __GFP_IO | __GFP_FS | __GFP_HARDWALL) #define GFP_HIGHUSER (__GFP_WAIT | __GFP_IO | __GFP_FS | __GFP_HARDWALL | \ - __GFP_HIGHMEM) + __GFP_HIGHMEM | __GFP_EASY_RECLAIM) /* Flag - indicates that the buffer will be suitable for DMA. Ignored on some platforms, used as appropriate on others */ Index: zone_reclaim/include/linux/mmzone.h =================================================================== --- zone_reclaim.orig/include/linux/mmzone.h 2005-12-06 12:07:34.000000000 +0900 +++ zone_reclaim/include/linux/mmzone.h 2005-12-06 13:52:04.000000000 +0900 @@ -93,7 +93,7 @@ struct per_cpu_pageset { * * NOTE! Make sure this matches the zones in */ -#define GFP_ZONEMASK 0x07 +#define GFP_ZONEMASK 0x0f #define GFP_ZONETYPES 5 /* -- 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