[PATCH] remove direct ref to contig_page_data for x86-64

This patch pulls out all remaining direct references to contig_page_data
from arch/x86-64, thus saving an ifdef in one case.

Signed-off-by: Matt Tolentino <[e-mail]>
Signed-off-by: Dave Hansen <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

arch/x86_64/kernel/aperture.c

···
 
 static u32 __init allocate_aperture(void) 
 {
-#ifdef CONFIG_DISCONTIGMEM
 	pg_data_t *nd0 = NODE_DATA(0);
-#else
-	pg_data_t *nd0 = &contig_page_data;
-#endif	
 	u32 aper_size;
 	void *p; 
 

arch/x86_64/kernel/setup.c

···
         if (bootmap == -1L) 
                 panic("Cannot find bootmem map of size %ld\n",bootmap_size);
         bootmap_size = init_bootmem(bootmap >> PAGE_SHIFT, end_pfn);
-        e820_bootmem_free(&contig_page_data, 0, end_pfn << PAGE_SHIFT); 
+        e820_bootmem_free(NODE_DATA(0), 0, end_pfn << PAGE_SHIFT);
         reserve_bootmem(bootmap, bootmap_size);
 } 
 #endif