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authorIngo Molnar <mingo@elte.hu>2009-02-22 20:05:19 +0100
committerIngo Molnar <mingo@elte.hu>2009-02-22 20:05:19 +0100
commitfc6fc7f1b1095b92d4834e69b385b91e412a7ce5 (patch)
tree2ad451d5dac4d460830536944cef1de93be36b2a /mm/page_alloc.c
parentef1f87aa7ba6224bef1b750b3272ba281d8f43ed (diff)
parent770824bdc421ff58a64db608294323571c949f4c (diff)
Merge branch 'linus' into x86/apic
Conflicts: arch/x86/mach-default/setup.c Semantic conflict resolution: arch/x86/kernel/setup.c Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'mm/page_alloc.c')
-rw-r--r--mm/page_alloc.c27
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) \