x86 boot: remove some unused extern function declarations

Remove three extern declarations for routines
that don't exist.  Fix a typo in a comment.

Signed-off-by: Paul Jackson <pj@sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/x86/mm/numa_64.c b/arch/x86/mm/numa_64.c
index c5066d519e5d..afb07ffb931d 100644
--- a/arch/x86/mm/numa_64.c
+++ b/arch/x86/mm/numa_64.c
@@ -233,7 +233,7 @@ void __init setup_node_bootmem(int nodeid, unsigned long start,
         else
                 bootmap_start = round_up(start, PAGE_SIZE);
         /*
-         * SMP_CAHCE_BYTES could be enough, but init_bootmem_node like
+         * SMP_CACHE_BYTES could be enough, but init_bootmem_node like
          * to use that to align to PAGE_SIZE
          */
         bootmap = early_node_mem(nodeid, bootmap_start, end,