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    Subject[PATCH 08/28] mm: system wide ALLOC_NO_WATERMARK
    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
    @@ -1552,6 +1552,12 @@ 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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