X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fppc%2Fmm%2Finit.c;h=c374e53ae03a0971654d26b5670f0e670b65cf40;hb=refs%2Fheads%2Fvserver;hp=134db5c0420319bbe31888b6b06cb3844849e214;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git diff --git a/arch/ppc/mm/init.c b/arch/ppc/mm/init.c index 134db5c04..c374e53ae 100644 --- a/arch/ppc/mm/init.c +++ b/arch/ppc/mm/init.c @@ -18,7 +18,6 @@ * */ -#include #include #include #include @@ -140,7 +139,7 @@ static void free_sec(unsigned long start, unsigned long end, const char *name) while (start < end) { ClearPageReserved(virt_to_page(start)); - set_page_count(virt_to_page(start), 1); + init_page_count(virt_to_page(start)); free_page(start); cnt++; start += PAGE_SIZE; @@ -172,7 +171,7 @@ void free_initrd_mem(unsigned long start, unsigned long end) for (; start < end; start += PAGE_SIZE) { ClearPageReserved(virt_to_page(start)); - set_page_count(virt_to_page(start), 1); + init_page_count(virt_to_page(start)); free_page(start); totalram_pages++; } @@ -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) @@ -412,14 +411,6 @@ void __init mem_init(void) } #endif /* CONFIG_BLK_DEV_INITRD */ -#ifdef CONFIG_PPC_OF - /* mark the RTAS pages as reserved */ - if ( rtas_data ) - for (addr = (ulong)__va(rtas_data); - addr < PAGE_ALIGN((ulong)__va(rtas_data)+rtas_size) ; - addr += PAGE_SIZE) - SetPageReserved(virt_to_page(addr)); -#endif for (addr = PAGE_OFFSET; addr < (unsigned long)high_memory; addr += PAGE_SIZE) { if (!PageReserved(virt_to_page(addr))) @@ -441,7 +432,7 @@ void __init mem_init(void) struct page *page = mem_map + pfn; ClearPageReserved(page); - set_page_count(page, 1); + init_page_count(page); __free_page(page); totalhigh_pages++; } @@ -494,11 +485,6 @@ set_phys_avail(unsigned long total_memory) initrd_end - initrd_start, 1); } #endif /* CONFIG_BLK_DEV_INITRD */ -#ifdef CONFIG_PPC_OF - /* remove the RTAS pages from the available memory */ - if (rtas_data) - mem_pieces_remove(&phys_avail, rtas_data, rtas_size, 1); -#endif } /* Mark some memory as reserved by removing it from phys_avail. */ @@ -596,7 +582,7 @@ void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, mm = (address < TASK_SIZE)? vma->vm_mm: &init_mm; pmd = pmd_offset(pgd_offset(mm, address), address); if (!pmd_none(*pmd)) - add_hash_page(mm->context, address, pmd_val(*pmd)); + add_hash_page(mm->context.id, address, pmd_val(*pmd)); } #endif }