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mm: rename page_counter's count/limit into usage/max

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This patch renames struct page_counter fields:
  count -> usage
  limit -> max

and the corresponding functions:
  page_counter_limit() -> page_counter_set_max()
  mem_cgroup_get_limit() -> mem_cgroup_get_max()
  mem_cgroup_resize_limit() -> mem_cgroup_resize_max()
  memcg_update_kmem_limit() -> memcg_update_kmem_max()
  memcg_update_tcp_limit() -> memcg_update_tcp_max()

The idea behind this renaming is to have the direct matching
between memory cgroup knobs (low, high, max) and page_counters API.

This is pure renaming, this patch doesn't bring any functional change.

Link: http://lkml.kernel.org/r/20180405185921.4942-1-guro@fb.com
Signed-off-by: Roman Gushchin <guro@fb.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Vladimir Davydov <vdavydov.dev@gmail.com>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Roman Gushchin
2018-06-07 17:06:18 -07:00
committed by Linus Torvalds
parent 1c4bc43ddf
commit bbec2e1517
6 changed files with 82 additions and 82 deletions
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4
include/linux/memcontrol.h
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@@ -467,7 +467,7 @@ unsigned long mem_cgroup_get_zone_lru_size(struct lruvec *lruvec,
void mem_cgroup_handle_over_high(void);
unsigned long mem_cgroup_get_limit(struct mem_cgroup *memcg);
unsigned long mem_cgroup_get_max(struct mem_cgroup *memcg);
void mem_cgroup_print_oom_info(struct mem_cgroup *memcg,
struct task_struct *p);
@@ -858,7 +858,7 @@ mem_cgroup_node_nr_lru_pages(struct mem_cgroup *memcg,
return 0;
}
static inline unsigned long mem_cgroup_get_limit(struct mem_cgroup *memcg)
static inline unsigned long mem_cgroup_get_max(struct mem_cgroup *memcg)
{
return 0;
}