Messages in this thread | | | Date | Wed, 1 Jun 2005 19:09:42 +1000 | From | Anton Blanchard <> | Subject | Re: [PATCH] add page_state info to show_mem |
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Hi,
> This helps a lot when debugging out of memory stuff - useful especially > to see if all the memory is sucked into slab, etc.
I was going to add this to ppc64 but I noticed that except for HIGHMEM bits it all looks the same :) Perhaps show_mem should end up somewhere common.
Anton
> 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); > } > > /* > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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