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Diffstat (limited to 'mm/memcontrol.c')
-rw-r--r--mm/memcontrol.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 4ee243ce6135..b80aae448a49 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -81,14 +81,14 @@ DEFINE_PER_CPU(struct mem_cgroup *, int_active_memcg);
EXPORT_PER_CPU_SYMBOL_GPL(int_active_memcg);
/* Socket memory accounting disabled? */
-static bool cgroup_memory_nosocket;
+static bool cgroup_memory_nosocket __ro_after_init;
/* Kernel memory accounting disabled? */
-bool cgroup_memory_nokmem;
+bool cgroup_memory_nokmem __ro_after_init;
/* Whether the swap controller is active */
#ifdef CONFIG_MEMCG_SWAP
-bool cgroup_memory_noswap __read_mostly;
+bool cgroup_memory_noswap __ro_after_init;
#else
#define cgroup_memory_noswap 1
#endif
@@ -256,6 +256,11 @@ struct cgroup_subsys_state *vmpressure_to_css(struct vmpressure *vmpr)
#ifdef CONFIG_MEMCG_KMEM
extern spinlock_t css_set_lock;
+bool mem_cgroup_kmem_disabled(void)
+{
+ return cgroup_memory_nokmem;
+}
+
static void obj_cgroup_uncharge_pages(struct obj_cgroup *objcg,
unsigned int nr_pages);