Previous version was probably written referencing the man page for
glibc's wrapper, but the wrapper's behavior differs from that of the
syscall itself in this case.
Signed-off-by: Zev Weiss <z...@bewilderbeest.net>
---
kernel/sched/core.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 51d7105..c272491 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -4752,7 +4752,8 @@ out_unlock:
* @len: length in bytes of the bitmask pointed to by user_mask_ptr
* @user_mask_ptr: user-space pointer to hold the current cpu mask
*
- * Return: 0 on success. An error code otherwise.
+ * Return: size of cpu mask copied to user_mask_ptr on success. An
+ * error code otherwise.
*/
SYSCALL_DEFINE3(sched_getaffinity, pid_t, pid, unsigned int, len,
unsigned long __user *, user_mask_ptr)
--
2.8.1
