Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a261670aed2b5b77a20ce9b15fed57abeb126c0e
Commit:     a261670aed2b5b77a20ce9b15fed57abeb126c0e
Parent:     94878efdd0815fe3a4159007b1454b25c7696d53
Author:     Yinghai Lu <[EMAIL PROTECTED]>
AuthorDate: Wed Jan 30 13:33:09 2008 +0100
Committer:  Ingo Molnar <[EMAIL PROTECTED]>
CommitDate: Wed Jan 30 13:33:09 2008 +0100

    x86: cleanup setup_node_zones called by paging_init()
    
    setup_node_zones() calcuates some variables but only use them when
    FLAT_NODE_MEM_MAP is set
    
    so change the MACRO postion to avoid calculating.
    
    also change it to static, and rename it to flat_setup_node_zones().
    
    Signed-off-by: Yinghai Lu <[EMAIL PROTECTED]>
    Signed-off-by: Ingo Molnar <[EMAIL PROTECTED]>
    Signed-off-by: Thomas Gleixner <[EMAIL PROTECTED]>
---
 arch/x86/mm/numa_64.c |   11 +++++++----
 1 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/arch/x86/mm/numa_64.c b/arch/x86/mm/numa_64.c
index 8482314..551e359 100644
--- a/arch/x86/mm/numa_64.c
+++ b/arch/x86/mm/numa_64.c
@@ -233,8 +233,9 @@ void __init setup_node_bootmem(int nodeid, unsigned long 
start,
        node_set_online(nodeid);
 }
 
+#ifdef CONFIG_FLAT_NODE_MEM_MAP
 /* Initialize final allocator for a zone */
-void __init setup_node_zones(int nodeid)
+static void __init flat_setup_node_zones(int nodeid)
 {
        unsigned long start_pfn, end_pfn, memmapsize, limit;
 
@@ -250,14 +251,16 @@ void __init setup_node_zones(int nodeid)
         */
        memmapsize = sizeof(struct page) * (end_pfn-start_pfn);
        limit = end_pfn << PAGE_SHIFT;
-#ifdef CONFIG_FLAT_NODE_MEM_MAP
+
        NODE_DATA(nodeid)->node_mem_map =
                __alloc_bootmem_core(NODE_DATA(nodeid)->bdata,
                                     memmapsize, SMP_CACHE_BYTES,
                                     round_down(limit - memmapsize, PAGE_SIZE),
                                     limit);
-#endif
 }
+#else
+#define flat_setup_node_zones(i) do {} while (0)
+#endif
 
 /*
  * There are unfortunately some poorly designed mainboards around that
@@ -581,7 +584,7 @@ void __init paging_init(void)
        sparse_init();
 
        for_each_online_node(i)
-               setup_node_zones(i);
+               flat_setup_node_zones(i);
 
        free_area_init_nodes(max_zone_pfns);
 }
-
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