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author | Ingo Molnar <mingo@elte.hu> | 2009-02-20 17:40:43 +0100 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-02-20 17:40:43 +0100 |
commit | 3b6f7b9beb553ea71a6d4d76ba82cf32eb6dadd2 (patch) | |
tree | 2cd8a8d61f350aa3b00e6b0afc998544923f183e /mm/page_alloc.c | |
parent | 9be1b56a3e718aa998772019c57c398dbb19e258 (diff) | |
parent | 07a66d7c53a538e1a9759954a82bb6c07365eff9 (diff) |
Merge branch 'x86/urgent' into x86/core
Diffstat (limited to 'mm/page_alloc.c')
-rw-r--r-- | mm/page_alloc.c | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 5675b307385..5c44ed49ca9 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -2989,7 +2989,7 @@ static int __meminit next_active_region_index_in_nid(int index, int nid) * was used and there are no special requirements, this is a convenient * alternative */ -int __meminit early_pfn_to_nid(unsigned long pfn) +int __meminit __early_pfn_to_nid(unsigned long pfn) { int i; @@ -3000,10 +3000,33 @@ int __meminit early_pfn_to_nid(unsigned long pfn) if (start_pfn <= pfn && pfn < end_pfn) return early_node_map[i].nid; } + /* This is a memory hole */ + return -1; +} +#endif /* CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID */ + +int __meminit early_pfn_to_nid(unsigned long pfn) +{ + int nid; + nid = __early_pfn_to_nid(pfn); + if (nid >= 0) + return nid; + /* just returns 0 */ return 0; } -#endif /* CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID */ + +#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) \ |