Messages in this thread Patch in this message | | | Date | Tue, 20 Dec 2005 17:52:19 +0900 | From | Yasunori Goto <> | Subject | [Patch] New zone ZONE_EASY_RECLAIM take 4. (define ZONE_EASY_RECLAIM)[2/8] |
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This defines new zone ZONE_EASY_RECLAIM. ZONES_SHIFT becomes 3. And this patch add member of sysctl_lowmem_reserve_ratio[].
take3 -> take 4: fixed number of index of sysctl_lowmem_reserve_ratio[]. take 2 -> take 3: add sysctl_lowmem_reserve_ratio[].
Signed-off-by: Yasunori Goto <y-goto@jp.fujitsu.com>
Index: zone_reclaim/include/linux/mmzone.h =================================================================== --- zone_reclaim.orig/include/linux/mmzone.h 2005-12-16 11:28:17.000000000 +0900 +++ zone_reclaim/include/linux/mmzone.h 2005-12-16 11:28:18.000000000 +0900 @@ -73,9 +73,10 @@ struct per_cpu_pageset { #define ZONE_DMA32 1 #define ZONE_NORMAL 2 #define ZONE_HIGHMEM 3 +#define ZONE_EASY_RECLAIM 4 -#define MAX_NR_ZONES 4 /* Sync this with ZONES_SHIFT */ -#define ZONES_SHIFT 2 /* ceil(log2(MAX_NR_ZONES)) */ +#define MAX_NR_ZONES 5 /* Sync this with ZONES_SHIFT */ +#define ZONES_SHIFT 3 /* ceil(log2(MAX_NR_ZONES)) */ /* Index: zone_reclaim/mm/page_alloc.c =================================================================== --- zone_reclaim.orig/mm/page_alloc.c 2005-12-16 11:28:17.000000000 +0900 +++ zone_reclaim/mm/page_alloc.c 2005-12-16 11:40:33.000000000 +0900 @@ -68,7 +68,7 @@ static void fastcall free_hot_cold_page( * TBD: should special case ZONE_DMA32 machines here - in those we normally * don't need any ZONE_NORMAL reservation */ -int sysctl_lowmem_reserve_ratio[MAX_NR_ZONES-1] = { 256, 256, 32 }; +int sysctl_lowmem_reserve_ratio[MAX_NR_ZONES-1] = { 256, 256, 32 ,32}; EXPORT_SYMBOL(totalram_pages); @@ -79,7 +79,7 @@ EXPORT_SYMBOL(totalram_pages); struct zone *zone_table[1 << ZONETABLE_SHIFT] __read_mostly; EXPORT_SYMBOL(zone_table); -static char *zone_names[MAX_NR_ZONES] = { "DMA", "DMA32", "Normal", "HighMem" }; +static char *zone_names[MAX_NR_ZONES] = { "DMA", "DMA32", "Normal", "HighMem", "Easy Reclaim"}; int min_free_kbytes = 1024; unsigned long __initdata nr_kernel_pages; -- Yasunori Goto
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