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mm/: remove caller signal_pending branch predictions 

This is already done for us internally by the signal machinery.

Link: http://lkml.kernel.org/r/20181116002713.8474-5-dave@stgolabs.net
Signed-off-by: Davidlohr Bueso <dave@stgolabs.net>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Davidlohr Bueso 2019-01-03 15:28:55 -08:00 committed by Linus Torvalds
parent d8d7d842e8
commit fa45f1162f
3 changed files with 3 additions and 3 deletions
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2
mm/filemap.c
View File

@ -1125,7 +1125,7 @@ static inline int wait_on_page_bit_common(wait_queue_head_t *q,
break;
}
if (unlikely(signal_pending_state(state, current))) {
if (signal_pending_state(state, current)) {
ret = -EINTR;
break;
}

2
mm/gup.c
View File

@ -727,7 +727,7 @@ retry:
* If we have a pending SIGKILL, don't keep faulting pages and
* potentially allocating memory.
*/
if (unlikely(fatal_signal_pending(current))) {
if (fatal_signal_pending(current)) {
ret = -ERESTARTSYS;
goto out;
}

2
mm/hugetlb.c
View File

@ -4231,7 +4231,7 @@ long follow_hugetlb_page(struct mm_struct *mm, struct vm_area_struct *vma,
* If we have a pending SIGKILL, don't keep faulting pages and
* potentially allocating memory.
*/
if (unlikely(fatal_signal_pending(current))) {
if (fatal_signal_pending(current)) {
remainder = 0;
break;
}