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authoraalexandrovich <[email protected]>2021-08-23 16:44:22 +0300
committerGitHub <[email protected]>2021-08-23 16:44:22 +0300
commit11e4e66efd440216032f53ee7e5ca08cd263a292 (patch)
tree630237ec37435734f29cc4ea2c91a75813d61053 /include/linux/memcontrol.h
parent96b18047a7172037ff4206720f4e889670030b41 (diff)
parente22ce8eb631bdc47a4a4ea7ecf4e4ba499db4f93 (diff)
Merge branch 'torvalds:master' into master
Diffstat (limited to 'include/linux/memcontrol.h')
-rw-r--r--include/linux/memcontrol.h29
1 files changed, 15 insertions, 14 deletions
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index bfe5c486f4ad..24797929d8a1 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -612,12 +612,15 @@ static inline bool mem_cgroup_disabled(void)
return !cgroup_subsys_enabled(memory_cgrp_subsys);
}
-static inline unsigned long mem_cgroup_protection(struct mem_cgroup *root,
- struct mem_cgroup *memcg,
- bool in_low_reclaim)
+static inline void mem_cgroup_protection(struct mem_cgroup *root,
+ struct mem_cgroup *memcg,
+ unsigned long *min,
+ unsigned long *low)
{
+ *min = *low = 0;
+
if (mem_cgroup_disabled())
- return 0;
+ return;
/*
* There is no reclaim protection applied to a targeted reclaim.
@@ -653,13 +656,10 @@ static inline unsigned long mem_cgroup_protection(struct mem_cgroup *root,
*
*/
if (root == memcg)
- return 0;
-
- if (in_low_reclaim)
- return READ_ONCE(memcg->memory.emin);
+ return;
- return max(READ_ONCE(memcg->memory.emin),
- READ_ONCE(memcg->memory.elow));
+ *min = READ_ONCE(memcg->memory.emin);
+ *low = READ_ONCE(memcg->memory.elow);
}
void mem_cgroup_calculate_protection(struct mem_cgroup *root,
@@ -1147,11 +1147,12 @@ static inline void memcg_memory_event_mm(struct mm_struct *mm,
{
}
-static inline unsigned long mem_cgroup_protection(struct mem_cgroup *root,
- struct mem_cgroup *memcg,
- bool in_low_reclaim)
+static inline void mem_cgroup_protection(struct mem_cgroup *root,
+ struct mem_cgroup *memcg,
+ unsigned long *min,
+ unsigned long *low)
{
- return 0;
+ *min = *low = 0;
}
static inline void mem_cgroup_calculate_protection(struct mem_cgroup *root,