summaryrefslogtreecommitdiffstats
path: root/lib/cpumask.c
diff options
context:
space:
mode:
Diffstat (limited to 'lib/cpumask.c')
-rw-r--r--lib/cpumask.c37
1 files changed, 5 insertions, 32 deletions
diff --git a/lib/cpumask.c b/lib/cpumask.c
index b6513a9f2892..830dd5dec40f 100644
--- a/lib/cpumask.c
+++ b/lib/cpumask.c
@@ -5,27 +5,6 @@
#include <linux/export.h>
#include <linux/bootmem.h>
-int __first_cpu(const cpumask_t *srcp)
-{
- return min_t(int, NR_CPUS, find_first_bit(srcp->bits, NR_CPUS));
-}
-EXPORT_SYMBOL(__first_cpu);
-
-int __next_cpu(int n, const cpumask_t *srcp)
-{
- return min_t(int, NR_CPUS, find_next_bit(srcp->bits, NR_CPUS, n+1));
-}
-EXPORT_SYMBOL(__next_cpu);
-
-#if NR_CPUS > 64
-int __next_cpu_nr(int n, const cpumask_t *srcp)
-{
- return min_t(int, nr_cpu_ids,
- find_next_bit(srcp->bits, nr_cpu_ids, n+1));
-}
-EXPORT_SYMBOL(__next_cpu_nr);
-#endif
-
/**
* cpumask_next_and - get the next cpu in *src1p & *src2p
* @n: the cpu prior to the place to search (ie. return will be > @n)
@@ -37,10 +16,11 @@ EXPORT_SYMBOL(__next_cpu_nr);
int cpumask_next_and(int n, const struct cpumask *src1p,
const struct cpumask *src2p)
{
- while ((n = cpumask_next(n, src1p)) < nr_cpu_ids)
- if (cpumask_test_cpu(n, src2p))
- break;
- return n;
+ struct cpumask tmp;
+
+ if (cpumask_and(&tmp, src1p, src2p))
+ return cpumask_next(n, &tmp);
+ return nr_cpu_ids;
}
EXPORT_SYMBOL(cpumask_next_and);
@@ -89,13 +69,6 @@ bool alloc_cpumask_var_node(cpumask_var_t *mask, gfp_t flags, int node)
dump_stack();
}
#endif
- /* FIXME: Bandaid to save us from old primitives which go to NR_CPUS. */
- if (*mask) {
- unsigned char *ptr = (unsigned char *)cpumask_bits(*mask);
- unsigned int tail;
- tail = BITS_TO_LONGS(NR_CPUS - nr_cpumask_bits) * sizeof(long);
- memset(ptr + cpumask_size() - tail, 0, tail);
- }
return *mask != NULL;
}