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s390/pfault: use __set_task_state 

Use __set_task_state() instead of set_task_state(). Saves a couple of
instructions, since the memory barrier is not needed here.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Heiko Carstens 2012-05-10 09:56:34 +02:00 committed by Martin Schwidefsky
parent 54c2779122
commit 0a16ba7866
1 changed files with 2 additions and 2 deletions
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4
arch/s390/mm/fault.c
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@ -586,7 +586,7 @@ static void pfault_interrupt(struct ext_code ext_code,
/* signal bit not set -> a real page is missing. */
if (tsk->thread.pfault_wait == 1) {
/* Already on the list with a reference: put to sleep */
set_task_state(tsk, TASK_UNINTERRUPTIBLE);
__set_task_state(tsk, TASK_UNINTERRUPTIBLE);
set_tsk_need_resched(tsk);
} else if (tsk->thread.pfault_wait == -1) {
/* Completion interrupt was faster than the initial
@ -602,7 +602,7 @@ static void pfault_interrupt(struct ext_code ext_code,
get_task_struct(tsk);
tsk->thread.pfault_wait = 1;
list_add(&tsk->thread.list, &pfault_list);
set_task_state(tsk, TASK_UNINTERRUPTIBLE);
__set_task_state(tsk, TASK_UNINTERRUPTIBLE);
set_tsk_need_resched(tsk);
}
}