| Date | Tue, 30 Oct 2007 17:04:10 +0100 | From | Peter Zijlstra <> | Subject | [PATCH 09/33] mm: system wide ALLOC_NO_WATERMARK |
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Change ALLOC_NO_WATERMARK page allocation such that the reserves are system wide - which they are per setup_per_zone_pages_min(), when we scrape the barrel, do it properly.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> --- mm/page_alloc.c | 6 ++++++ 1 file changed, 6 insertions(+)
Index: linux-2.6/mm/page_alloc.c =================================================================== --- linux-2.6.orig/mm/page_alloc.c +++ linux-2.6/mm/page_alloc.c @@ -1638,6 +1638,12 @@ restart: rebalance: if (alloc_flags & ALLOC_NO_WATERMARKS) { nofail_alloc: + /* + * break out of mempolicy boundaries + */ + zonelist = NODE_DATA(numa_node_id())->node_zonelists + + gfp_zone(gfp_mask); + /* go through the zonelist yet again, ignoring mins */ page = get_page_from_freelist(gfp_mask, order, zonelist, ALLOC_NO_WATERMARKS); --
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