From: Yasunori Goto <y-goto@jp.fujitsu.com>
To: linux-mm <linux-mm@kvack.org>,
Linux Hotplug Memory Support <lhms-devel@lists.sourceforge.net>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>, Mel Gorman <mel@csn.ul.ie>
Subject: [Patch:RFC] New zone ZONE_EASY_RECLAIM[2/5]
Date: Thu, 10 Nov 2005 19:41:01 +0900 [thread overview]
Message-ID: <20051110185812.0232.Y-GOTO@jp.fujitsu.com> (raw)
This defines new zone ZONE_EASY_RECLAIM.
Note:
I found DMA32_ZONE is included in -mm tree.
If one more new zone is created before/after my patch,
the zone number field in page->flags is not enough.
My patch doesn't care about it yet.
Signed-off-by: Yasunori Goto <y-goto@jp.fujitsu.com>
---
Index: new_zone/include/linux/mmzone.h
===================================================================
--- new_zone.orig/include/linux/mmzone.h 2005-11-07 19:28:25.000000000 +0900
+++ new_zone/include/linux/mmzone.h 2005-11-07 19:30:07.000000000 +0900
@@ -72,8 +72,9 @@ struct per_cpu_pageset {
#define ZONE_DMA 0
#define ZONE_NORMAL 1
#define ZONE_HIGHMEM 2
+#define ZONE_EASY_RECLAIM 3
-#define MAX_NR_ZONES 3 /* Sync this with ZONES_SHIFT */
+#define MAX_NR_ZONES 4 /* Sync this with ZONES_SHIFT */
#define ZONES_SHIFT 2 /* ceil(log2(MAX_NR_ZONES)) */
Index: new_zone/mm/page_alloc.c
===================================================================
--- new_zone.orig/mm/page_alloc.c 2005-11-07 19:28:31.000000000 +0900
+++ new_zone/mm/page_alloc.c 2005-11-07 19:29:17.000000000 +0900
@@ -72,7 +72,7 @@ EXPORT_SYMBOL(nr_swap_pages);
struct zone *zone_table[1 << ZONETABLE_SHIFT] __read_mostly;
EXPORT_SYMBOL(zone_table);
-static char *zone_names[MAX_NR_ZONES] = { "DMA", "Normal", "HighMem" };
+static char *zone_names[MAX_NR_ZONES] = { "DMA", "Normal", "HighMem", "Easy Reclaim" };
int min_free_kbytes = 1024;
unsigned long __initdata nr_kernel_pages;
--
Yasunori Goto
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reply other threads:[~2005-11-10 10:41 UTC|newest]
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