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| author | Ingo Molnar <mingo@elte.hu> | 2009-02-19 09:00:35 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-02-19 09:00:35 +0100 |
| commit | 72c26c9a26ea7f2f3d14f162c2ebb07805f724ea (patch) | |
| tree | bf1b4bc0b69f96c79474f9edb9cf0e811c95f2dc /mm/page_alloc.c | |
| parent | Merge branches 'tracing/ftrace' and 'tracing/urgent' into tracing/core (diff) | |
| parent | Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-block (diff) | |
| download | linux-72c26c9a26ea7f2f3d14f162c2ebb07805f724ea.tar.xz linux-72c26c9a26ea7f2f3d14f162c2ebb07805f724ea.zip | |
Merge branch 'linus' into tracing/blktrace
Conflicts:
block/blktrace.c
Semantic merge:
kernel/trace/blktrace.c
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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 5675b3073854..5c44ed49ca93 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) \ |