[PATCH 1/8] nodemask: add nodes_copy()

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From: Yury Norov <yury.norov@xxxxxxxxx>

Nodemasks API misses the plain nodes_copy() which is required in this
series.

Signed-off-by: Yury Norov [NVIDIA] <yury.norov@xxxxxxxxx>
Signed-off-by: Andrea Righi <arighi@xxxxxxxxxx>
---
 include/linux/nodemask.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/include/linux/nodemask.h b/include/linux/nodemask.h
index 9fd7a0ce9c1a7..41cf43c4e70f2 100644
--- a/include/linux/nodemask.h
+++ b/include/linux/nodemask.h
@@ -191,6 +191,13 @@ static __always_inline void __nodes_andnot(nodemask_t *dstp, const nodemask_t *s
 	bitmap_andnot(dstp->bits, src1p->bits, src2p->bits, nbits);
 }
 
+#define nodes_copy(dst, src) __nodes_copy(&(dst), &(src), MAX_NUMNODES)
+static __always_inline void __nodes_copy(nodemask_t *dstp,
+					const nodemask_t *srcp, unsigned int nbits)
+{
+	bitmap_copy(dstp->bits, srcp->bits, nbits);
+}
+
 #define nodes_complement(dst, src) \
 			__nodes_complement(&(dst), &(src), MAX_NUMNODES)
 static __always_inline void __nodes_complement(nodemask_t *dstp,
-- 
2.48.1





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