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locking/mutex: Use mutex flags macro instead of hard code

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Use the mutex flag macro instead of hard code value inside
__mutex_owner().

Signed-off-by: Mukesh Ojha <mojha@codeaurora.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: mingo@redhat.com
Cc: will@kernel.org
Link: https://lkml.kernel.org/r/1564585504-3543-2-git-send-email-mojha@codeaurora.org
This commit is contained in:
Mukesh Ojha 2019-07-31 20:35:04 +05:30 committed by Peter Zijlstra
parent 5f35d5a66b
commit a037d26922
1 changed files with 1 additions and 1 deletions
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2
kernel/locking/mutex.c
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@ -85,7 +85,7 @@ EXPORT_SYMBOL(__mutex_init);
*/
static inline struct task_struct *__mutex_owner(struct mutex *lock)
{
return (struct task_struct *)(atomic_long_read(&lock->owner) & ~0x07);
return (struct task_struct *)(atomic_long_read(&lock->owner) & ~MUTEX_FLAGS);
}
static inline struct task_struct *__owner_task(unsigned long owner)