[PATCH] mm: use symbolic names instead of indices for zone initialisation

[linux-2.6.git] / arch / ppc / mm / init.c

diff --git a/arch/ppc/mm/init.c b/arch/ppc/mm/init.c
index c9bd184a295adad73d58108c19d76be395e2f18e..c374e53ae03a0971654d26b5670f0e670b65cf40 100644 (file)
--- a/arch/ppc/mm/init.c
+++ b/arch/ppc/mm/init.c
@@ -18,7 +18,6 @@
  *
  */
 
-#include <linux/config.h>
 #include <linux/module.h>
 #include <linux/sched.h>
 #include <linux/kernel.h>
@@ -359,8 +358,8 @@ void __init do_init_bootmem(void)
  */
 void __init paging_init(void)
 {
-       unsigned long zones_size[MAX_NR_ZONES], i;
-
+       unsigned long start_pfn, end_pfn;
+       unsigned long max_zone_pfns[MAX_NR_ZONES];
 #ifdef CONFIG_HIGHMEM
        map_page(PKMAP_BASE, 0, 0);     /* XXX gross */
        pkmap_page_table = pte_offset_kernel(pmd_offset(pgd_offset_k
@@ -370,19 +369,19 @@ void __init paging_init(void)
                        (KMAP_FIX_BEGIN), KMAP_FIX_BEGIN), KMAP_FIX_BEGIN);
        kmap_prot = PAGE_KERNEL;
 #endif /* CONFIG_HIGHMEM */
+       /* All pages are DMA-able so we put them all in the DMA zone. */
+       start_pfn = __pa(PAGE_OFFSET) >> PAGE_SHIFT;
+       end_pfn = start_pfn + (total_memory >> PAGE_SHIFT);
+       add_active_range(0, start_pfn, end_pfn);
 
-       /*
-        * All pages are DMA-able so we put them all in the DMA zone.
-        */
-       zones_size[ZONE_DMA] = total_lowmem >> PAGE_SHIFT;
-       for (i = 1; i < MAX_NR_ZONES; i++)
-               zones_size[i] = 0;
-
+       memset(max_zone_pfns, 0, sizeof(max_zone_pfns));
 #ifdef CONFIG_HIGHMEM
-       zones_size[ZONE_HIGHMEM] = (total_memory - total_lowmem) >> PAGE_SHIFT;
+       max_zone_pfns[ZONE_DMA] = total_lowmem >> PAGE_SHIFT;
+       max_zone_pfns[ZONE_HIGHMEM] = total_memory >> PAGE_SHIFT;
+#else
+       max_zone_pfns[ZONE_DMA] = total_memory >> PAGE_SHIFT;
 #endif /* CONFIG_HIGHMEM */
-
-       free_area_init(zones_size);
+       free_area_init_nodes(max_zone_pfns);
 }
 
 void __init mem_init(void)