add page_state info to show_mem

This helps a lot when debugging out of memory stuff - useful especially to see if all the memory is sucked into slab, etc.

diff -purN -X /home/mbligh/.diff.exclude 2.6.11/arch/i386/mm/pgtable.c 2.6.11-show_mem_slab/arch/i386/mm/pgtable.c

arch/i386/mm/pgtable.c +8 -1

@@ -30,6 +30,7 @@ void show_mem(void)
 	struct page *page;
 	pg_data_t *pgdat;
 	unsigned long i;
+	struct page_state ps;
 
 	printk("Mem-info:\n");
 	show_free_areas();

@@ -53,6 +54,13 @@ void show_mem(void)
 	printk("%d reserved pages\n",reserved);
 	printk("%d pages shared\n",shared);
 	printk("%d pages swap cached\n",cached);
+
+	get_page_state(&ps);
+	printk("%d pages dirty\n", ps.nr_dirty);
+	printk("%d pages writeback\n", ps.nr_writeback);
+	printk("%d pages mapped\n", ps.nr_mapped);
+	printk("%d pages slab\n", ps.nr_slab);
+	printk("%d pages pagetables\n", ps.nr_page_table_pages);
 }
 
 /*
 
-

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