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Subject[PATCH 09/35] cpumask: add cpumask_copy()
Since cpumasks are to become pointers to undefined structs, we need to
replace assignments. Also, dynamically allocated ones will eventually
be nr_cpu_ids bits (<= NR_CPUS), so assignment is a definite no-no.

Signed-off-by: Mike Travis <travis@sgi.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
include/linux/cpumask.h | 8 ++++++++
1 file changed, 8 insertions(+)
--- linux-2.6.28.orig/include/linux/cpumask.h
+++ linux-2.6.28/include/linux/cpumask.h
@@ -64,6 +64,8 @@
* int next_cpu(cpu, mask) Next cpu past 'cpu', or NR_CPUS
* int next_cpu_nr(cpu, mask) Next cpu past 'cpu', or nr_cpu_ids
*
+ * void cpumask_copy(dmask, smask) dmask = smask
+ *
* size_t cpumask_size() Length of cpumask in bytes.
* cpumask_t cpumask_of_cpu(cpu) Return cpumask with bit 'cpu' set
* (can be used as an lvalue)
@@ -350,6 +352,12 @@ static inline void cpumask_fold(struct c
bitmap_fold(dstp->bits, origp->bits, sz, NR_CPUS);
}

+static inline void cpumask_copy(struct cpumask *dstp,
+ const struct cpumask *srcp)
+{
+ bitmap_copy(cpumask_bits(dstp), cpumask_bits(srcp), NR_CPUS);
+}
+
/*
* Special-case data structure for "single bit set only" constant CPU masks.
*
--


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