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    Subject[PATCH mm] mm: memcg: remove unused node/section info from pc->flags fix
    Fix non-CONFIG_SPARSEMEM build, which failed with
    mm/page_cgroup.c: In function `alloc_node_page_cgroup':
    mm/page_cgroup.c:44: error: `start_pfn' undeclared (first use in this function)

    Signed-off-by: Hugh Dickins <hughd@google.com>
    ---
    For folding into mm-memcg-remove-unused-node-section-info-from-pc-flags.patch

    mm/page_cgroup.c | 2 --
    1 file changed, 2 deletions(-)

    Hannes: heartfelt thanks to you for this great work - Hugh

    --- 3.2-rc1-jw/mm/page_cgroup.c 2011-11-08 20:25:24.678395000 -0800
    +++ linux/mm/page_cgroup.c 2011-11-08 20:42:05.687358464 -0800
    @@ -41,9 +41,7 @@ static int __init alloc_node_page_cgroup
    unsigned long table_size;
    unsigned long nr_pages;

    - start_pfn = NODE_DATA(nid)->node_start_pfn;
    nr_pages = NODE_DATA(nid)->node_spanned_pages;
    -
    if (!nr_pages)
    return 0;


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