The patch titled
Subject: mm: memcontrol: remove dead code from memory_max_write()
has been added to the -mm tree. Its filename is
mm-memcontrol-remove-dead-code-from-memory_max_write.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-memcontrol-remove-dead-code-from-memory_max_write.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-memcontrol-remove-dead-code-from-memory_max_write.patch
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------------------------------------------------------
From: Johannes Weiner <hannes@xxxxxxxxxxx>
Subject: mm: memcontrol: remove dead code from memory_max_write()
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.
Link: http://lkml.kernel.org/r/20191022201518.341216-1-hannes@xxxxxxxxxxx
Signed-off-by: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxx>
Cc: Vladimir Davydov <vdavydov.dev@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/memcontrol.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
--- a/mm/memcontrol.c~mm-memcontrol-remove-dead-code-from-memory_max_write
+++ a/mm/memcontrol.c
@@ -6122,10 +6122,8 @@ static ssize_t memory_max_write(struct k
if (nr_pages <= max)
break;
- if (signal_pending(current)) {
- err = -EINTR;
+ if (signal_pending(current))
break;
- }
if (!drained) {
drain_all_stock(memcg);
_
Patches currently in -mm which might be from hannes@xxxxxxxxxxx are
mm-memcontrol-remove-dead-code-from-memory_max_write.patch
mm-memcontrol-try-harder-to-set-a-new-memoryhigh.patch
mm-drop-mmap_sem-before-calling-balance_dirty_pages-in-write-fault.patch
