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sched/core: Fix sched_getaffinity() return value kerneldoc comment

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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 <zev@bewilderbeest.net>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Link: http://lkml.kernel.org/r/1466975603-25408-1-git-send-email-zev@bewilderbeest.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Zev Weiss 2016-06-26 16:13:23 -05:00 committed by Ingo Molnar
parent 8663e24d56
commit 599b4840b0
1 changed files with 2 additions and 1 deletions
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3
kernel/sched/core.c
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@ -4759,7 +4759,8 @@ long sched_getaffinity(pid_t pid, struct cpumask *mask)
* @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)