From cdfdef75e795fb5ab76c66f3329e509f3ab8b9b5 Mon Sep 17 00:00:00 2001 From: Rusty Russell Date: Thu, 5 Mar 2015 10:49:19 +1030 Subject: cpumask: only allocate nr_cpumask_bits. Now we'll find out the hard way if anyone has CPUMASK_OFFSTACK and is returning these or assigning them. Signed-off-by: Rusty Russell --- include/linux/cpumask.h | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) (limited to 'include') diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h index 646fadee5caf..4ad2d3c8e21f 100644 --- a/include/linux/cpumask.h +++ b/include/linux/cpumask.h @@ -11,6 +11,7 @@ #include #include +/* Don't assign or return these: may not be this big! */ typedef struct cpumask { DECLARE_BITMAP(bits, NR_CPUS); } cpumask_t; /** @@ -609,9 +610,7 @@ static inline int cpulist_parse(const char *buf, struct cpumask *dstp) */ static inline size_t cpumask_size(void) { - /* FIXME: Once all cpumask assignments are eliminated, this - * can be nr_cpumask_bits */ - return BITS_TO_LONGS(NR_CPUS) * sizeof(long); + return BITS_TO_LONGS(nr_cpumask_bits) * sizeof(long); } /* -- cgit