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-rw-r--r--mm/memcontrol.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index ce113ddf2fb5..c0b0406ae5ca 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -4005,6 +4005,11 @@ static void memcg_wb_domain_exit(struct mem_cgroup *memcg)
wb_domain_exit(&memcg->cgwb_domain);
}
+static void memcg_wb_domain_size_changed(struct mem_cgroup *memcg)
+{
+ wb_domain_size_changed(&memcg->cgwb_domain);
+}
+
struct wb_domain *mem_cgroup_wb_domain(struct bdi_writeback *wb)
{
struct mem_cgroup *memcg = mem_cgroup_from_css(wb->memcg_css);
@@ -4026,6 +4031,10 @@ static void memcg_wb_domain_exit(struct mem_cgroup *memcg)
{
}
+static void memcg_wb_domain_size_changed(struct mem_cgroup *memcg)
+{
+}
+
#endif /* CONFIG_CGROUP_WRITEBACK */
/*
@@ -4624,6 +4633,7 @@ static void mem_cgroup_css_reset(struct cgroup_subsys_state *css)
memcg->low = 0;
memcg->high = PAGE_COUNTER_MAX;
memcg->soft_limit = PAGE_COUNTER_MAX;
+ memcg_wb_domain_size_changed(memcg);
}
#ifdef CONFIG_MMU
@@ -5361,6 +5371,7 @@ static ssize_t memory_high_write(struct kernfs_open_file *of,
memcg->high = high;
+ memcg_wb_domain_size_changed(memcg);
return nbytes;
}
@@ -5393,6 +5404,7 @@ static ssize_t memory_max_write(struct kernfs_open_file *of,
if (err)
return err;
+ memcg_wb_domain_size_changed(memcg);
return nbytes;
}