mm: memcontrol: switch soft limit default back to infinity

[firefly-linux-kernel-4.4.55.git] / mm / memcontrol.c

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index ef91e856c7e456a0674e7b76e15cbd771a6c9acb..b7104a55ae645845390f2f24da89c439c01217a4 100644 (file)
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -4679,6 +4679,7 @@ mem_cgroup_css_alloc(struct cgroup_subsys_state *parent_css)
        if (parent_css == NULL) {
                root_mem_cgroup = memcg;
                page_counter_init(&memcg->memory, NULL);
+               memcg->soft_limit = PAGE_COUNTER_MAX;
                page_counter_init(&memcg->memsw, NULL);
                page_counter_init(&memcg->kmem, NULL);
        }
@@ -4724,6 +4725,7 @@ mem_cgroup_css_online(struct cgroup_subsys_state *css)
 
        if (parent->use_hierarchy) {
                page_counter_init(&memcg->memory, &parent->memory);
+               memcg->soft_limit = PAGE_COUNTER_MAX;
                page_counter_init(&memcg->memsw, &parent->memsw);
                page_counter_init(&memcg->kmem, &parent->kmem);
 
@@ -4733,6 +4735,7 @@ mem_cgroup_css_online(struct cgroup_subsys_state *css)
                 */
        } else {
                page_counter_init(&memcg->memory, NULL);
+               memcg->soft_limit = PAGE_COUNTER_MAX;
                page_counter_init(&memcg->memsw, NULL);
                page_counter_init(&memcg->kmem, NULL);
                /*
@@ -4807,7 +4810,7 @@ static void mem_cgroup_css_reset(struct cgroup_subsys_state *css)
        mem_cgroup_resize_limit(memcg, PAGE_COUNTER_MAX);
        mem_cgroup_resize_memsw_limit(memcg, PAGE_COUNTER_MAX);
        memcg_update_kmem_limit(memcg, PAGE_COUNTER_MAX);
-       memcg->soft_limit = 0;
+       memcg->soft_limit = PAGE_COUNTER_MAX;
 }
 
 #ifdef CONFIG_MMU