diff options
Diffstat (limited to 'mm/mm_init.c')
| -rw-r--r-- | mm/mm_init.c | 23 |
1 files changed, 10 insertions, 13 deletions
diff --git a/mm/mm_init.c b/mm/mm_init.c index b35006d9d49d..7191703a5820 100644 --- a/mm/mm_init.c +++ b/mm/mm_init.c @@ -783,22 +783,19 @@ void __meminit init_deferred_page(unsigned long pfn, int nid) void __meminit reserve_bootmem_region(phys_addr_t start, phys_addr_t end, int nid) { - unsigned long start_pfn = PFN_DOWN(start); - unsigned long end_pfn = PFN_UP(end); + unsigned long pfn; - for (; start_pfn < end_pfn; start_pfn++) { - if (pfn_valid(start_pfn)) { - struct page *page = pfn_to_page(start_pfn); + for_each_valid_pfn(pfn, PFN_DOWN(start), PFN_UP(end)) { + struct page *page = pfn_to_page(pfn); - __init_deferred_page(start_pfn, nid); + __init_deferred_page(pfn, nid); - /* - * no need for atomic set_bit because the struct - * page is not visible yet so nobody should - * access it yet. - */ - __SetPageReserved(page); - } + /* + * no need for atomic set_bit because the struct + * page is not visible yet so nobody should + * access it yet. + */ + __SetPageReserved(page); } } |