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[PATCH] uninline zone helpers

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Helper functions for for_each_online_pgdat/for_each_zone look too big to be
inlined.  Speed of these helper macro itself is not very important.  (inner
loops are tend to do more work than this)

This patch make helper function to be out-of-lined.

	inline		out-of-line
.text   005c0680        005bf6a0

005c0680 - 005bf6a0 = FE0 = 4Kbytes.

Signed-off-by: KAMEZAWA Hiroyuki <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
KAMEZAWA Hiroyuki 2006-03-27 01:16:02 -08:00 • committed by Linus Torvalds
commit 95144c788d
3 changed files with 54 additions and 36 deletions
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50
mm/mmzone.c Normal file
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@ -0,0 +1,50 @@
/*
* linux/mm/mmzone.c
*
* management codes for pgdats and zones.
*/
#include <linux/config.h>
#include <linux/stddef.h>
#include <linux/mmzone.h>
#include <linux/module.h>
struct pglist_data *first_online_pgdat(void)
{
return NODE_DATA(first_online_node);
}
EXPORT_SYMBOL(first_online_pgdat);
struct pglist_data *next_online_pgdat(struct pglist_data *pgdat)
{
int nid = next_online_node(pgdat->node_id);
if (nid == MAX_NUMNODES)
return NULL;
return NODE_DATA(nid);
}
EXPORT_SYMBOL(next_online_pgdat);
/*
* next_zone - helper magic for for_each_zone()
*/
struct zone *next_zone(struct zone *zone)
{
pg_data_t *pgdat = zone->zone_pgdat;
if (zone < pgdat->node_zones + MAX_NR_ZONES - 1)
zone++;
else {
pgdat = next_online_pgdat(pgdat);
if (pgdat)
zone = pgdat->node_zones;
else
zone = NULL;
}
return zone;
}
EXPORT_SYMBOL(next_zone);