diff options
| -rw-r--r-- | lib/cpumask.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/cpumask.c b/lib/cpumask.c index 8e1496cb63f7..3389e2440da0 100644 --- a/lib/cpumask.c +++ b/lib/cpumask.c @@ -107,6 +107,14 @@ 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 int tail; + tail = BITS_TO_LONGS(NR_CPUS - nr_cpumask_bits) * sizeof(long); + memset(cpumask_bits(*mask) + cpumask_size() - tail, + 0, tail); + } + return *mask != NULL; } EXPORT_SYMBOL(alloc_cpumask_var_node); |