From: "Martin J. Bligh" <mbligh@mbligh.org>
To: Andrew Morton <akpm@osdl.org>
Cc: linux-kernel <linux-kernel@vger.kernel.org>
Subject: [PATCH] add page_state info to show_mem
Date: Tue, 31 May 2005 17:08:19 -0700 [thread overview]
Message-ID: <375690000.1117584499@flay> (raw)
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
--- 2.6.11/arch/i386/mm/pgtable.c 2005-03-02 02:59:09.000000000 -0800
+++ 2.6.11-show_mem_slab/arch/i386/mm/pgtable.c 2005-05-31 15:58:36.000000000 -0700
@@ -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);
}
/*
next reply other threads:[~2005-06-01 0:08 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-06-01 0:08 Martin J. Bligh [this message]
2005-06-01 9:09 ` [PATCH] add page_state info to show_mem Anton Blanchard
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