The patch titled
Subject: selftests: memcg: expect no low events in unprotected sibling
has been added to the -mm mm-unstable branch. Its filename is
selftests-memcg-expect-no-low-events-in-unprotected-sibling.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/selftests-memcg-expect-no-low-events-in-unprotected-sibling.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Michal Koutný <mkoutny@xxxxxxxx>
Subject: selftests: memcg: expect no low events in unprotected sibling
Date: Fri, 13 May 2022 19:18:09 +0200
This is effectively a revert of commit cdc69458a5f3 ("cgroup: account for
memory_recursiveprot in test_memcg_low()"). The case test_memcg_low will
fail with memory_recursiveprot until resolved in reclaim code.
However, this patch preserves the existing helpers and variables for later
uses.
Link: https://lkml.kernel.org/r/20220513171811.730-3-mkoutny@xxxxxxxx
Fixes: cdc69458a5f3 ("cgroup: account for memory_recursiveprot in test_memcg_low()")
Signed-off-by: Michal Koutný <mkoutny@xxxxxxxx>
Reviewed-by: David Vernet <void@xxxxxxxxxxxxx>
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxxxx>
Cc: Roman Gushchin <roman.gushchin@xxxxxxxxx>
Cc: Shakeel Butt <shakeelb@xxxxxxxxxx>
Cc: Tejun Heo <tj@xxxxxxxxxx>
Cc: Richard Palethorpe <rpalethorpe@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
tools/testing/selftests/cgroup/test_memcontrol.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/tools/testing/selftests/cgroup/test_memcontrol.c~selftests-memcg-expect-no-low-events-in-unprotected-sibling
+++ a/tools/testing/selftests/cgroup/test_memcontrol.c
@@ -528,7 +528,7 @@ static int test_memcg_low(const char *ro
}
for (i = 0; i < ARRAY_SIZE(children); i++) {
- int no_low_events_index = has_recursiveprot ? 2 : 1;
+ int no_low_events_index = 1;
oom = cg_read_key_long(children[i], "memory.events", "oom ");
low = cg_read_key_long(children[i], "memory.events", "low ");
_
Patches currently in -mm which might be from mkoutny@xxxxxxxx are
selftests-memcg-fix-compilation.patch
selftests-memcg-expect-no-low-events-in-unprotected-sibling.patch
selftests-memcg-adjust-expected-reclaim-values-of-protected-cgroups.patch
selftests-memcg-remove-protection-from-top-level-memcg.patch
