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-rw-r--r--include/linux/nodemask.h11
1 files changed, 8 insertions, 3 deletions
diff --git a/include/linux/nodemask.h b/include/linux/nodemask.h
index ca9b489a27f..cbd521a0312 100644
--- a/include/linux/nodemask.h
+++ b/include/linux/nodemask.h
@@ -245,14 +245,19 @@ static inline int __next_node(int n, const nodemask_t *srcp)
return min_t(int,MAX_NUMNODES,find_next_bit(srcp->bits, MAX_NUMNODES, n+1));
}
+static inline void init_nodemask_of_node(nodemask_t *mask, int node)
+{
+ nodes_clear(*mask);
+ node_set(node, *mask);
+}
+
#define nodemask_of_node(node) \
({ \
typeof(_unused_nodemask_arg_) m; \
if (sizeof(m) == sizeof(unsigned long)) { \
- m.bits[0] = 1UL<<(node); \
+ m.bits[0] = 1UL << (node); \
} else { \
- nodes_clear(m); \
- node_set((node), m); \
+ init_nodemask_of_node(&m, (node)); \
} \
m; \
})