lkml.org 
[lkml]   [2010]   [Nov]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    SubjectRe: [PATCH 9/9] x86: Unify NUMA initialization between 32 and 64bit
    From
    On Thu, Nov 11, 2010 at 1:02 PM, Tejun Heo <tj@kernel.org> wrote:
    > Now that everything else is unified, NUMA initialization can be
    > unified too.
    >
    > * numa_init_array() and init_cpu_to_node() are moved from numa_64 to
    >  numa.
    >
    > * numa_32::initmem_init() is updated to call numa_init_array() and
    >  setup_arch() to call init_cpu_to_node() on 32bit too.
    >
    > * x86_cpu_to_node_map is now initialized to NUMA_NO_NODE on 32bit too.
    >  This is safe now as numa_init_array() will initialize it early
    >  during boot.
    >
    > This makes NUMA mapping fully initialized before setup_per_cpu_areas()
    > on 32bit too and thus makes the first percpu chunk which contains all
    > the static variables and some of dynamic area allocated with NUMA
    > affinity correctly considered.
    >
    > Signed-off-by: Tejun Heo <tj@kernel.org>
    > Reported-by: Eric Dumazet <eric.dumazet@gmail.com>

    Acked-by: Pekka Enberg <penberg@kernel.org>
    --
    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/

    \
     
     \ /
      Last update: 2010-11-11 13:13    [W:3.077 / U:0.176 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site