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SubjectZoned counters V1 [ 8/14]: Convert nr_page_table
Convert nr_page_table_pages

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

Index: linux-2.6.15-rc5-mm3/mm/memory.c
===================================================================
--- linux-2.6.15-rc5-mm3.orig/mm/memory.c 2005-12-16 11:44:09.000000000 -0800
+++ linux-2.6.15-rc5-mm3/mm/memory.c 2005-12-20 12:58:31.000000000 -0800
@@ -116,7 +116,7 @@ static void free_pte_range(struct mmu_ga
pmd_clear(pmd);
pte_lock_deinit(page);
pte_free_tlb(tlb, page);
- dec_page_state(nr_page_table_pages);
+ dec_zone_page_state(page, NR_PAGETABLE);
tlb->mm->nr_ptes--;
}

@@ -302,7 +302,7 @@ int __pte_alloc(struct mm_struct *mm, pm
pte_free(new);
} else {
mm->nr_ptes++;
- inc_page_state(nr_page_table_pages);
+ inc_zone_page_state(new, NR_PAGETABLE);
pmd_populate(mm, pmd, new);
}
spin_unlock(&mm->page_table_lock);
Index: linux-2.6.15-rc5-mm3/mm/page_alloc.c
===================================================================
--- linux-2.6.15-rc5-mm3.orig/mm/page_alloc.c 2005-12-20 12:58:17.000000000 -0800
+++ linux-2.6.15-rc5-mm3/mm/page_alloc.c 2005-12-20 12:58:47.000000000 -0800
@@ -597,7 +597,7 @@ static int rmqueue_bulk(struct zone *zon
return i;
}

-char *stat_item_descr[NR_STAT_ITEMS] = { "mapped","pagecache", "slab" };
+char *stat_item_descr[NR_STAT_ITEMS] = { "mapped","pagecache", "slab", "pagetable" };

/*
* Manage combined zone based / global counters
@@ -1786,7 +1786,7 @@ void show_free_areas(void)
nr_free_pages(),
global_page_state(NR_SLAB),
global_page_state(NR_MAPPED),
- ps.nr_page_table_pages);
+ global_page_state(NR_PAGETABLE));

for_each_zone(zone) {
int i;
@@ -2678,12 +2678,12 @@ static char *vmstat_text[] = {
"nr_mapped",
"nr_pagecache",
"nr_slab",
+ "nr_page_table_pages",

/* Page state */
"nr_dirty",
"nr_writeback",
"nr_unstable",
- "nr_page_table_pages",

"pgpgin",
"pgpgout",
Index: linux-2.6.15-rc5-mm3/include/linux/page-flags.h
===================================================================
--- linux-2.6.15-rc5-mm3.orig/include/linux/page-flags.h 2005-12-20 12:58:02.000000000 -0800
+++ linux-2.6.15-rc5-mm3/include/linux/page-flags.h 2005-12-20 12:58:31.000000000 -0800
@@ -94,8 +94,7 @@ struct page_state {
unsigned long nr_dirty; /* Dirty writeable pages */
unsigned long nr_writeback; /* Pages under writeback */
unsigned long nr_unstable; /* NFS unstable pages */
- unsigned long nr_page_table_pages;/* Pages used for pagetables */
-#define GET_PAGE_STATE_LAST nr_page_table_pages
+#define GET_PAGE_STATE_LAST nr_unstable

/*
* The below are zeroed by get_page_state(). Use get_full_page_state()
Index: linux-2.6.15-rc5-mm3/include/linux/mmzone.h
===================================================================
--- linux-2.6.15-rc5-mm3.orig/include/linux/mmzone.h 2005-12-20 12:58:02.000000000 -0800
+++ linux-2.6.15-rc5-mm3/include/linux/mmzone.h 2005-12-20 12:58:31.000000000 -0800
@@ -49,6 +49,7 @@ enum zone_stat_item {
only modified from process context */
NR_PAGECACHE, /* file backed pages */
NR_SLAB, /* used by slab allocator */
+ NR_PAGETABLE, /* used for pagetables */
NR_STAT_ITEMS };

#ifdef CONFIG_SMP
Index: linux-2.6.15-rc5-mm3/fs/proc/proc_misc.c
===================================================================
--- linux-2.6.15-rc5-mm3.orig/fs/proc/proc_misc.c 2005-12-20 12:58:02.000000000 -0800
+++ linux-2.6.15-rc5-mm3/fs/proc/proc_misc.c 2005-12-20 12:58:31.000000000 -0800
@@ -194,7 +194,7 @@ static int meminfo_read_proc(char *page,
K(global_page_state(NR_SLAB)),
K(allowed),
K(committed),
- K(ps.nr_page_table_pages),
+ K(global_page_state(NR_PAGETABLE)),
(unsigned long)VMALLOC_TOTAL >> 10,
vmi.used >> 10,
vmi.largest_chunk >> 10
Index: linux-2.6.15-rc5-mm3/drivers/base/node.c
===================================================================
--- linux-2.6.15-rc5-mm3.orig/drivers/base/node.c 2005-12-20 12:58:02.000000000 -0800
+++ linux-2.6.15-rc5-mm3/drivers/base/node.c 2005-12-20 12:58:31.000000000 -0800
@@ -57,8 +57,6 @@ static ssize_t node_read_meminfo(struct
ps.nr_dirty = 0;
if ((long)ps.nr_writeback < 0)
ps.nr_writeback = 0;
- if ((long)ps.nr_slab < 0)
- ps.nr_slab = 0;

n = sprintf(buf, "\n"
"Node %d MemTotal: %8lu kB\n"
-
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