[PATCH 1/2] mm: memcontrol: remove dead code from memory_max_write()

From: Johannes Weiner
Date: Tue Oct 22 2019 - 16:15:22 EST


When the reclaim loop in memory_max_write() is ^C'd or similar, we set
err to -EINTR. But we don't return err. Once the limit is set, we
always return success (nbytes). Delete the dead code.

Signed-off-by: Johannes Weiner <hannes@xxxxxxxxxxx>
---
mm/memcontrol.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 055975b0b3a3..ff90d4e7df37 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -6122,10 +6122,8 @@ static ssize_t memory_max_write(struct kernfs_open_file *of,
if (nr_pages <= max)
break;

- if (signal_pending(current)) {
- err = -EINTR;
+ if (signal_pending(current))
break;
- }

if (!drained) {
drain_all_stock(memcg);
--
2.23.0