[Xen-devel] [PATCH] x86: allow SRAT to be used on 32-bit systems with memory beyond 4G

["Jan Beulich" <JBeulich@xxxxxxxxxx>]

Signed-off-by: Jan Beulich <jbeulich@xxxxxxxxxx>

--- 2010-02-19.orig/xen/arch/x86/srat.c 2010-01-13 18:58:11.000000000 +0100
+++ 2010-02-19/xen/arch/x86/srat.c      2010-02-24 14:25:50.000000000 +0100
@@ -59,7 +59,7 @@ __devinit int setup_node(int pxm)
        return pxm2node[pxm];
 }
 
-int valid_numa_range(unsigned long start, unsigned long end, int node)
+int valid_numa_range(u64 start, u64 end, int node)
 {
        int i;
 
@@ -74,7 +74,7 @@ int valid_numa_range(unsigned long start
        return 0;
 }
 
-static __init int conflicting_memblks(unsigned long start, unsigned long end)
+static __init int conflicting_memblks(u64 start, u64 end)
 {
        int i;
 
--- 2010-02-19.orig/xen/include/asm-x86/numa.h  2010-01-13 18:58:11.000000000 
+0100
+++ 2010-02-19/xen/include/asm-x86/numa.h       2010-02-24 14:26:56.000000000 
+0100
@@ -76,11 +76,11 @@ static inline __attribute__((pure)) int 
 #define node_end_pfn(nid)       (NODE_DATA(nid)->node_start_pfn + \
                                 NODE_DATA(nid)->node_spanned_pages)
 
-extern int valid_numa_range(unsigned long start, unsigned long end, int node);
+extern int valid_numa_range(u64 start, u64 end, int node);
 #else
 #define init_cpu_to_node() do {} while (0)
 #define clear_node_cpumask(cpu) do {} while (0)
-#define valid_numa_range(start, end, node) {return 1;}
+#define valid_numa_range(start, end, node) 1
 #endif
 
 void srat_parse_regions(u64 addr);

Attachment: xen-srat-32bit.patch
Description: Text document

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