[RFC 01/14] task_stack.h: remove obsolete __HAVE_ARCH_KSTACK_END check

[Pasha Tatashin]

Remove __HAVE_ARCH_KSTACK_END as it has been osolete since removal of
metag architecture in v4.17.

Signed-off-by: Pasha Tatashin <pasha.tatashin@xxxxxxxxxx>
---
 include/linux/sched/task_stack.h | 2 --
 1 file changed, 2 deletions(-)

diff --git a/include/linux/sched/task_stack.h b/include/linux/sched/task_stack.h
index ccd72b978e1f..860faea06883 100644
--- a/include/linux/sched/task_stack.h
+++ b/include/linux/sched/task_stack.h
@@ -116,7 +116,6 @@ static inline unsigned long stack_not_used(struct task_struct *p)
 #endif
 extern void set_task_stack_end_magic(struct task_struct *tsk);
 
-#ifndef __HAVE_ARCH_KSTACK_END
 static inline int kstack_end(void *addr)
 {
 	/* Reliable end of stack detection:
@@ -124,6 +123,5 @@ static inline int kstack_end(void *addr)
 	 */
 	return !(((unsigned long)addr+sizeof(void*)-1) & (THREAD_SIZE-sizeof(void*)));
 }
-#endif
 
 #endif /* _LINUX_SCHED_TASK_STACK_H */
-- 
2.44.0.278.ge034bb2e1d-goog