From 6f4e1e5061c44a93337338af4bf9bed10ee9f32e Mon Sep 17 00:00:00 2001
From: "Martin J. Bligh" <mbligh@mbligh.org>
Date: Thu, 23 Jun 2005 00:08:08 -0700
Subject: [PATCH] [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>
---
arch/i386/mm/pgtable.c | 8 ++++++++
1 file changed, 8 insertions(+)
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);
}
/*
--
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