cpumask_next_and() and cpumask_any_but() are pure, and marking them as
such seems to generate different and presumably better code for
native_flush_tlb_multi().
Reviewed-by: Dave Hansen <dave.han...@linux.intel.com>
Signed-off-by: Nadav Amit <na...@vmware.com>
---
include/linux/cpumask.h | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h
index b5a5a1ed9efd..2579700bf44a 100644
--- a/include/linux/cpumask.h
+++ b/include/linux/cpumask.h
@@ -225,7 +225,7 @@ static inline unsigned int cpumask_last(const struct
cpumask *srcp)
return find_last_bit(cpumask_bits(srcp), nr_cpumask_bits);
}
-unsigned int cpumask_next(int n, const struct cpumask *srcp);
+unsigned int __pure cpumask_next(int n, const struct cpumask *srcp);
/**
* cpumask_next_zero - get the next unset cpu in a cpumask
@@ -242,8 +242,8 @@ static inline unsigned int cpumask_next_zero(int n, const
struct cpumask *srcp)
return find_next_zero_bit(cpumask_bits(srcp), nr_cpumask_bits, n+1);
}
-int cpumask_next_and(int n, const struct cpumask *, const struct cpumask *);
-int cpumask_any_but(const struct cpumask *mask, unsigned int cpu);
+int __pure cpumask_next_and(int n, const struct cpumask *, const struct
cpumask *);
+int __pure cpumask_any_but(const struct cpumask *mask, unsigned int cpu);
unsigned int cpumask_local_spread(unsigned int i, int node);
/**
--
2.17.1
