diff options
| -rw-r--r-- | sysdeps/unix/sysv/linux/tst-skeleton-affinity.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/tst-skeleton-affinity.c b/sysdeps/unix/sysv/linux/tst-skeleton-affinity.c index 32fb94cdde..9d1f27fea9 100644 --- a/sysdeps/unix/sysv/linux/tst-skeleton-affinity.c +++ b/sysdeps/unix/sysv/linux/tst-skeleton-affinity.c @@ -264,6 +264,11 @@ do_test (void) struct conf conf; setup_conf (&conf); + /* Note: The CPU set size in bits can be less than the CPU count + (and the maximum test CPU) because the userspace interface rounds + up the bit count, and the rounded-up buffer size is passed into + the kernel. The kernel does not know that some of the buffer are + actually padding, and writes data there. */ printf ("info: Detected CPU set size (in bits): %d\n", conf.set_size); printf ("info: Maximum test CPU: %d\n", conf.last_cpu); if (conf.set_size < 0 || conf.last_cpu < 0) |