diff options
Diffstat (limited to 'mm/memblock.c')
| -rw-r--r-- | mm/memblock.c | 20 |
1 files changed, 3 insertions, 17 deletions
diff --git a/mm/memblock.c b/mm/memblock.c index 0f9626f01b5e..97f3486ce4d6 100644 --- a/mm/memblock.c +++ b/mm/memblock.c @@ -511,28 +511,14 @@ phys_addr_t __init memblock_alloc(phys_addr_t size, phys_addr_t align) phys_addr_t __weak __init memblock_nid_range(phys_addr_t start, phys_addr_t end, int *nid) { #ifdef CONFIG_ARCH_POPULATES_NODE_MAP - /* - * This code originates from sparc which really wants use to walk by addresses - * and returns the nid. This is not very convenient for early_pfn_map[] users - * as the map isn't sorted yet, and it really wants to be walked by nid. - * - * For now, I implement the inefficient method below which walks the early - * map multiple times. Eventually we may want to use an ARCH config option - * to implement a completely different method for both case. - */ unsigned long start_pfn, end_pfn; int i; - for (i = 0; i < MAX_NUMNODES; i++) { - get_pfn_range_for_nid(i, &start_pfn, &end_pfn); - if (start < PFN_PHYS(start_pfn) || start >= PFN_PHYS(end_pfn)) - continue; - *nid = i; - return min(end, PFN_PHYS(end_pfn)); - } + for_each_mem_pfn_range(i, MAX_NUMNODES, &start_pfn, &end_pfn, nid) + if (start >= PFN_PHYS(start_pfn) && start < PFN_PHYS(end_pfn)) + return min(end, PFN_PHYS(end_pfn)); #endif *nid = 0; - return end; } |