[PATCH] 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.

Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 8 insertions, 0 deletions

diff --git a/arch/i386/mm/pgtable.c b/arch/i386/mm/pgtable.c
index 80c84cdf22ef..270c59f099a4 100644
--- a/arch/i386/mm/pgtable.c
+++ b/arch/i386/mm/pgtable.c
@@ -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("%lu pages dirty\n", ps.nr_dirty);
+        printk("%lu pages writeback\n", ps.nr_writeback);
+        printk("%lu pages mapped\n", ps.nr_mapped);
+        printk("%lu pages slab\n", ps.nr_slab);
+        printk("%lu pages pagetables\n", ps.nr_page_table_pages);
 }
 
 /*