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authorKAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>2006-03-27 01:16:01 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-27 08:44:48 -0800
commitae0f15fb91274e67d78836d38c99ec363df33073 (patch)
treebfaa065faf772c42e1875c9e5f4b000cf4b1d241
parent3571761fe49d960bb720c2308ffb9401f0a5e161 (diff)
[PATCH] for_each_online_pgdat: remove pgdat_list
By using for_each_online_pgdat(), pgdat_list is not necessary now. This patch removes it. Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
-rw-r--r--include/linux/mmzone.h3
-rw-r--r--mm/page_alloc.c8
2 files changed, 4 insertions, 7 deletions
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 96eb08025092..0d12c3cf1f86 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -307,7 +307,6 @@ typedef struct pglist_data {
unsigned long node_spanned_pages; /* total size of physical page
range, including holes */
int node_id;
- struct pglist_data *pgdat_next;
wait_queue_head_t kswapd_wait;
struct task_struct *kswapd;
int kswapd_max_order;
@@ -324,8 +323,6 @@ typedef struct pglist_data {
#include <linux/memory_hotplug.h>
-extern struct pglist_data *pgdat_list;
-
void __get_zone_counts(unsigned long *active, unsigned long *inactive,
unsigned long *free, struct pglist_data *pgdat);
void get_zone_counts(unsigned long *active, unsigned long *inactive,
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index ccc3713dd407..dc523a1f270d 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -49,7 +49,6 @@ nodemask_t node_online_map __read_mostly = { { [0] = 1UL } };
EXPORT_SYMBOL(node_online_map);
nodemask_t node_possible_map __read_mostly = NODE_MASK_ALL;
EXPORT_SYMBOL(node_possible_map);
-struct pglist_data *pgdat_list __read_mostly;
unsigned long totalram_pages __read_mostly;
unsigned long totalhigh_pages __read_mostly;
long nr_swap_pages;
@@ -2169,8 +2168,9 @@ static void *frag_start(struct seq_file *m, loff_t *pos)
{
pg_data_t *pgdat;
loff_t node = *pos;
-
- for (pgdat = pgdat_list; pgdat && node; pgdat = pgdat->pgdat_next)
+ for (pgdat = first_online_pgdat();
+ pgdat && node;
+ pgdat = next_online_pgdat(pgdat))
--node;
return pgdat;
@@ -2181,7 +2181,7 @@ static void *frag_next(struct seq_file *m, void *arg, loff_t *pos)
pg_data_t *pgdat = (pg_data_t *)arg;
(*pos)++;
- return pgdat->pgdat_next;
+ return next_online_pgdat(pgdat);
}
static void frag_stop(struct seq_file *m, void *arg)