aboutsummaryrefslogtreecommitdiffstats
path: root/arch/ppc/mm/init.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/ppc/mm/init.c')
-rw-r--r--arch/ppc/mm/init.c23
1 files changed, 11 insertions, 12 deletions
diff --git a/arch/ppc/mm/init.c b/arch/ppc/mm/init.c
index 523392d460fa..410200046af1 100644
--- a/arch/ppc/mm/init.c
+++ b/arch/ppc/mm/init.c
@@ -358,8 +358,8 @@ void __init do_init_bootmem(void)
358 */ 358 */
359void __init paging_init(void) 359void __init paging_init(void)
360{ 360{
361 unsigned long zones_size[MAX_NR_ZONES], i; 361 unsigned long start_pfn, end_pfn;
362 362 unsigned long max_zone_pfns[MAX_NR_ZONES];
363#ifdef CONFIG_HIGHMEM 363#ifdef CONFIG_HIGHMEM
364 map_page(PKMAP_BASE, 0, 0); /* XXX gross */ 364 map_page(PKMAP_BASE, 0, 0); /* XXX gross */
365 pkmap_page_table = pte_offset_kernel(pmd_offset(pgd_offset_k 365 pkmap_page_table = pte_offset_kernel(pmd_offset(pgd_offset_k
@@ -369,19 +369,18 @@ void __init paging_init(void)
369 (KMAP_FIX_BEGIN), KMAP_FIX_BEGIN), KMAP_FIX_BEGIN); 369 (KMAP_FIX_BEGIN), KMAP_FIX_BEGIN), KMAP_FIX_BEGIN);
370 kmap_prot = PAGE_KERNEL; 370 kmap_prot = PAGE_KERNEL;
371#endif /* CONFIG_HIGHMEM */ 371#endif /* CONFIG_HIGHMEM */
372 372 /* All pages are DMA-able so we put them all in the DMA zone. */
373 /* 373 start_pfn = __pa(PAGE_OFFSET) >> PAGE_SHIFT;
374 * All pages are DMA-able so we put them all in the DMA zone. 374 end_pfn = start_pfn + (total_memory >> PAGE_SHIFT);
375 */ 375 add_active_range(0, start_pfn, end_pfn);
376 zones_size[ZONE_DMA] = total_lowmem >> PAGE_SHIFT;
377 for (i = 1; i < MAX_NR_ZONES; i++)
378 zones_size[i] = 0;
379 376
380#ifdef CONFIG_HIGHMEM 377#ifdef CONFIG_HIGHMEM
381 zones_size[ZONE_HIGHMEM] = (total_memory - total_lowmem) >> PAGE_SHIFT; 378 max_zone_pfns[0] = total_lowmem >> PAGE_SHIFT;
379 max_zone_pfns[1] = total_memory >> PAGE_SHIFT;
380#else
381 max_zone_pfns[0] = total_memory >> PAGE_SHIFT;
382#endif /* CONFIG_HIGHMEM */ 382#endif /* CONFIG_HIGHMEM */
383 383 free_area_init_nodes(max_zone_pfns);
384 free_area_init(zones_size);
385} 384}
386 385
387void __init mem_init(void) 386void __init mem_init(void)