diff options
Diffstat (limited to 'mm/page_alloc.c')
| -rw-r--r-- | mm/page_alloc.c | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index c5dd74602efc..5c44ed49ca93 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -3000,16 +3000,33 @@ int __meminit __early_pfn_to_nid(unsigned long pfn) if (start_pfn <= pfn && pfn < end_pfn) return early_node_map[i].nid; } - - return 0; + /* This is a memory hole */ + return -1; } #endif /* CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID */ int __meminit early_pfn_to_nid(unsigned long pfn) { - return __early_pfn_to_nid(pfn); + int nid; + + nid = __early_pfn_to_nid(pfn); + if (nid >= 0) + return nid; + /* just returns 0 */ + return 0; } +#ifdef CONFIG_NODES_SPAN_OTHER_NODES +bool __meminit early_pfn_in_nid(unsigned long pfn, int node) +{ + int nid; + + nid = __early_pfn_to_nid(pfn); + if (nid >= 0 && nid != node) + return false; + return true; +} +#endif /* Basic iterator support to walk early_node_map[] */ #define for_each_active_range_index_in_nid(i, nid) \ |