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| author |   Rusty Russell <rusty@rustcorp.com.au> | 2015-03-05 10:49:19 +1030 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2015-03-10 13:54:42 +1030 |
| commit | cdfdef75e795fb5ab76c66f3329e509f3ab8b9b5 (patch) | |
| tree | 3e6ba270aadabfa764ceed44c2347f059cdcfe56 /include/linux/cpumask.h | |
| parent | Fix weird uses of num_online_cpus(). (diff) | |
| download | linux-dev-cdfdef75e795fb5ab76c66f3329e509f3ab8b9b5.tar.xz linux-dev-cdfdef75e795fb5ab76c66f3329e509f3ab8b9b5.zip | |
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 <rusty@rustcorp.com.au>
Diffstat (limited to 'include/linux/cpumask.h')
| -rw-r--r-- | include/linux/cpumask.h | 5 |
1 files changed, 2 insertions, 3 deletions
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 <linux/bitmap.h> #include <linux/bug.h> +/* 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); } /* |