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authorJohannes Weiner <[email protected]>2019-05-13 17:18:08 -0700
committerLinus Torvalds <[email protected]>2019-05-14 09:47:47 -0700
commit21d89d151bb42bea1bcf0343f724ef62509d6161 (patch)
treef9fe416b96b75ec17b9eec5a21ec0f1dd9840995
parent2b487e59f00aaa885ebf9c47d44d09f3ef4df80e (diff)
mm: memcontrol: push down mem_cgroup_nr_lru_pages()
mem_cgroup_nr_lru_pages() is just a convenience wrapper around memcg_page_state() that takes bitmasks of lru indexes and aggregates the counts for those. Replace callsites where the bitmask is simple enough with direct memcg_page_state() call(s). Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Johannes Weiner <[email protected]> Reviewed-by: Roman Gushchin <[email protected]> Cc: Michal Hocko <[email protected]> Cc: Tejun Heo <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
-rw-r--r--mm/memcontrol.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 268a0bd83773..d29417b93a8b 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -1361,7 +1361,7 @@ void mem_cgroup_print_oom_meminfo(struct mem_cgroup *memcg)
for (i = 0; i < NR_LRU_LISTS; i++)
pr_cont(" %s:%luKB", mem_cgroup_lru_names[i],
- K(mem_cgroup_nr_lru_pages(iter, BIT(i))));
+ K(memcg_page_state(iter, NR_LRU_BASE + i)));
pr_cont("\n");
}
@@ -2997,8 +2997,8 @@ static void accumulate_memcg_tree(struct mem_cgroup *memcg,
acc->events_array ? acc->events_array[i] : i);
for (i = 0; i < NR_LRU_LISTS; i++)
- acc->lru_pages[i] +=
- mem_cgroup_nr_lru_pages(mi, BIT(i));
+ acc->lru_pages[i] += memcg_page_state(mi,
+ NR_LRU_BASE + i);
}
}
@@ -3428,7 +3428,8 @@ static int memcg_stat_show(struct seq_file *m, void *v)
for (i = 0; i < NR_LRU_LISTS; i++)
seq_printf(m, "%s %lu\n", mem_cgroup_lru_names[i],
- mem_cgroup_nr_lru_pages(memcg, BIT(i)) * PAGE_SIZE);
+ memcg_page_state(memcg, NR_LRU_BASE + i) *
+ PAGE_SIZE);
/* Hierarchical information */
memory = memsw = PAGE_COUNTER_MAX;
@@ -3934,8 +3935,8 @@ void mem_cgroup_wb_stats(struct bdi_writeback *wb, unsigned long *pfilepages,
/* this should eventually include NR_UNSTABLE_NFS */
*pwriteback = memcg_exact_page_state(memcg, NR_WRITEBACK);
- *pfilepages = mem_cgroup_nr_lru_pages(memcg, (1 << LRU_INACTIVE_FILE) |
- (1 << LRU_ACTIVE_FILE));
+ *pfilepages = memcg_exact_page_state(memcg, NR_INACTIVE_FILE) +
+ memcg_exact_page_state(memcg, NR_ACTIVE_FILE);
*pheadroom = PAGE_COUNTER_MAX;
while ((parent = parent_mem_cgroup(memcg))) {