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-rw-r--r--mm/gup.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/mm/gup.c b/mm/gup.c
index 1b46e6e74881..6afae32571ca 100644
--- a/mm/gup.c
+++ b/mm/gup.c
@@ -516,7 +516,7 @@ static int faultin_page(struct task_struct *tsk, struct vm_area_struct *vma,
}
if (ret & VM_FAULT_RETRY) {
- if (nonblocking)
+ if (nonblocking && !(fault_flags & FAULT_FLAG_RETRY_NOWAIT))
*nonblocking = 0;
return -EBUSY;
}
@@ -890,7 +890,10 @@ static __always_inline long __get_user_pages_locked(struct task_struct *tsk,
break;
}
if (*locked) {
- /* VM_FAULT_RETRY didn't trigger */
+ /*
+ * VM_FAULT_RETRY didn't trigger or it was a
+ * FOLL_NOWAIT.
+ */
if (!pages_done)
pages_done = ret;
break;