On Mon, Jan 07, 2008 at 12:04:06PM -0800, Christoph Lameter wrote:
> Here is the cleaned version of the patch. Dhaval is testing it.
>
>
> quicklists: Only consider memory that can be used with GFP_KERNEL
>
> Quicklists calculates the size of the quicklists based on the number
> of free pages. This must be the number of free pages that can be
> allocated with GFP_KERNEL. node_page_state() includes the pages in
> ZONE_HIGHMEM and ZONE_MOVABLE which may lead the quicklists to
> become too large causing OOM.
>
> Signed-off-by: Christoph Lameter <[EMAIL PROTECTED]>
Does the job here for me.
Tested-by: Dhaval Giani <[EMAIL PROTECTED]>
>
> Index: linux-2.6/mm/quicklist.c
> ===================================================================
> --- linux-2.6.orig/mm/quicklist.c 2008-01-07 10:38:13.000000000 -0800
> +++ linux-2.6/mm/quicklist.c 2008-01-07 10:38:44.000000000 -0800
> @@ -26,9 +26,17 @@ DEFINE_PER_CPU(struct quicklist, quickli
> static unsigned long max_pages(unsigned long min_pages)
> {
> unsigned long node_free_pages, max;
> + struct zone *zones = NODE_DATA(numa_node_id())->node_zones;
> +
> + node_free_pages =
> +#ifdef CONFIG_ZONE_DMA
> + zone_page_state(&zones[ZONE_DMA], NR_FREE_PAGES) +
> +#endif
> +#ifdef CONFIG_ZONE_DMA32
> + zone_page_state(&zones[ZONE_DMA32], NR_FREE_PAGES) +
> +#endif
> + zone_page_state(&zones[ZONE_NORMAL], NR_FREE_PAGES);
>
> - node_free_pages = node_page_state(numa_node_id(),
> - NR_FREE_PAGES);
> max = node_free_pages / FRACTION_OF_NODE_MEM;
> return max(max, min_pages);
> }
--
regards,
Dhaval
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