[PATCH 12/14] Remove unused get_page_stat functions

Christoph Lameter
2006-06-08T23:03:41Z

Remove get_page_state functions / structures

We can remove all the get_page_state related functions after all the basic
page state variables have been moved to the zone based scheme.

The last patch broke the compile. This fixed it.

Signed-off-by: Christoph Lameter <clameter@sgi.com>

Index: linux-2.6.17-rc6-mm1/include/linux/page-flags.h
===================================================================
--- linux-2.6.17-rc6-mm1.orig/include/linux/page-flags.h 2006-06-08 15:48:25.563475234 -0700
+++ linux-2.6.17-rc6-mm1/include/linux/page-flags.h 2006-06-08 15:48:28.536923923 -0700
@@ -119,8 +119,6 @@
* commented here.
*/
struct page_state {
-#define GET_PAGE_STATE_LAST xxx
-
/*
* The below are zeroed by get_page_state(). Use get_full_page_state()
* to add up all these.
@@ -173,8 +171,6 @@ struct page_state {
unsigned long nr_bounce; /* pages for bounce buffers */
};

-extern void get_page_state(struct page_state *ret);
-extern void get_page_state_node(struct page_state *ret, int node);
extern void get_full_page_state(struct page_state *ret);
extern unsigned long read_page_state_offset(unsigned long offset);
extern void mod_page_state_offset(unsigned long offset, unsigned long delta);
Index: linux-2.6.17-rc6-mm1/drivers/base/node.c
===================================================================
--- linux-2.6.17-rc6-mm1.orig/drivers/base/node.c 2006-06-08 15:48:25.565428238 -0700
+++ linux-2.6.17-rc6-mm1/drivers/base/node.c 2006-06-08 15:48:28.537900425 -0700
@@ -40,7 +40,6 @@ static ssize_t node_read_meminfo(struct
int n;
int nid = dev->id;
struct sysinfo i;
- struct page_state ps;
unsigned long inactive;
unsigned long active;
unsigned long free;
@@ -48,7 +47,6 @@ static ssize_t node_read_meminfo(struct
unsigned long nr[NR_STAT_ITEMS];

si_meminfo_node(&i, nid);
- get_page_state_node(&ps, nid);
__get_zone_counts(&active, &inactive, &free, NODE_DATA(nid));
for (j = 0; j < NR_STAT_ITEMS; j++)
nr[j] = node_page_state(nid, j);
Index: linux-2.6.17-rc6-mm1/mm/page_alloc.c
===================================================================
--- linux-2.6.17-rc6-mm1.orig/mm/page_alloc.c 2006-06-08 15:48:25.561522230 -0700
+++ linux-2.6.17-rc6-mm1/mm/page_alloc.c 2006-06-08 15:48:28.540829931 -0700
@@ -1613,28 +1613,6 @@ static void __get_page_state(struct page
}
}

-void get_page_state_node(struct page_state *ret, int node)
-{
- int nr;
- cpumask_t mask = node_to_cpumask(node);
-
- nr = offsetof(struct page_state, GET_PAGE_STATE_LAST);
- nr /= sizeof(unsigned long);
-
- __get_page_state(ret, nr+1, &mask);
-}
-
-void get_page_state(struct page_state *ret)
-{
- int nr;
- cpumask_t mask = CPU_MASK_ALL;
-
- nr = offsetof(struct page_state, GET_PAGE_STATE_LAST);
- nr /= sizeof(unsigned long);
-
- __get_page_state(ret, nr + 1, &mask);
-}
-
void get_full_page_state(struct page_state *ret)
{
cpumask_t mask = CPU_MASK_ALL;
@@ -1766,7 +1744,6 @@ void si_meminfo_node(struct sysinfo *val
*/
void show_free_areas(void)
{
- struct page_state ps;
int cpu, temperature;
unsigned long active;
unsigned long inactive;
@@ -1798,7 +1775,6 @@ void show_free_areas(void)
}
}

- get_page_state(&ps);
get_zone_counts(&active, &inactive, &free);

printk("Free pages: %11ukB (%ukB HighMem)\n",
Index: linux-2.6.17-rc6-mm1/fs/proc/proc_misc.c
===================================================================
--- linux-2.6.17-rc6-mm1.orig/fs/proc/proc_misc.c 2006-06-08 15:48:16.932173769 -0700
+++ linux-2.6.17-rc6-mm1/fs/proc/proc_misc.c 2006-06-08 15:48:28.541806433 -0700
@@ -120,7 +120,6 @@ static int meminfo_read_proc(char *page,
{
struct sysinfo i;
int len;
- struct page_state ps;
unsigned long inactive;
unsigned long active;
unsigned long free;
@@ -129,7 +128,6 @@ static int meminfo_read_proc(char *page,
struct vmalloc_info vmi;
long cached;

- get_page_state(&ps);
get_zone_counts(&active, &inactive, &free);

/*
Index: linux-2.6.17-rc6-mm1/mm/swap_prefetch.c
===================================================================
--- linux-2.6.17-rc6-mm1.orig/mm/swap_prefetch.c 2006-06-08 15:48:25.566404740 -0700
+++ linux-2.6.17-rc6-mm1/mm/swap_prefetch.c 2006-06-08 15:48:28.541806433 -0700
@@ -357,7 +357,6 @@ static int prefetch_suitable(void)
*/
for_each_node_mask(node, sp_stat.prefetch_nodes) {
struct node_stats *ns = &sp_stat.node[node];
- struct page_state ps;

/*
* We check to see that pages are not being allocated
@@ -378,8 +377,6 @@ static int prefetch_suitable(void)
if (!test_pagestate)
continue;

- get_page_state_node(&ps, node);
-
/* We shouldn't prefetch when we are doing writeback */
if (global_page_state(NR_WRITEBACK)) {
node_clear(node, sp_stat.prefetch_nodes);