The `while' is not needed, replaced it with `if' to reduce
an unnecessary check.
Signed-off-by: Huang Shijie <shijie8@xxxxxxxxx>
---
mm/percpu.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/mm/percpu.c b/mm/percpu.c
index e61dc2c..2e50004 100644
--- a/mm/percpu.c
+++ b/mm/percpu.c
@@ -724,7 +724,8 @@ static void __percpu *pcpu_alloc(size_t size, size_t align, bool reserved)
goto fail_unlock;
}
- while ((new_alloc = pcpu_need_to_extend(chunk))) {
+ new_alloc = pcpu_need_to_extend(chunk);
+ if (new_alloc) {
spin_unlock_irqrestore(&pcpu_lock, flags);
if (pcpu_extend_area_map(chunk, new_alloc) < 0) {
err = "failed to extend area map of reserved chunk";
--
1.6.6.1
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