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[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>
hifive-unleashed-5.1
KAMEZAWA Hiroyuki 2006-03-27 01:16:01 -08:00 committed by Linus Torvalds
parent 3571761fe4
commit ae0f15fb91
2 changed files with 4 additions and 7 deletions
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3
include/linux/mmzone.h
View File

@ -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,

8
mm/page_alloc.c
View File

@ -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)