x86/smpboot: Init apic mapping before usage

[cascardo/linux.git] / mm / list_lru.c

diff --git a/mm/list_lru.c b/mm/list_lru.c
index afc71ea..234676e 100644 (file)
--- a/mm/list_lru.c
+++ b/mm/list_lru.c
@@ -12,7 +12,7 @@
 #include <linux/mutex.h>
 #include <linux/memcontrol.h>
 
-#ifdef CONFIG_MEMCG_KMEM
+#if defined(CONFIG_MEMCG) && !defined(CONFIG_SLOB)
 static LIST_HEAD(list_lrus);
 static DEFINE_MUTEX(list_lrus_mutex);
 
@@ -37,9 +37,9 @@ static void list_lru_register(struct list_lru *lru)
 static void list_lru_unregister(struct list_lru *lru)
 {
 }
-#endif /* CONFIG_MEMCG_KMEM */
+#endif /* CONFIG_MEMCG && !CONFIG_SLOB */
 
-#ifdef CONFIG_MEMCG_KMEM
+#if defined(CONFIG_MEMCG) && !defined(CONFIG_SLOB)
 static inline bool list_lru_memcg_aware(struct list_lru *lru)
 {
        /*
@@ -104,7 +104,7 @@ list_lru_from_kmem(struct list_lru_node *nlru, void *ptr)
 {
        return &nlru->lru;
 }
-#endif /* CONFIG_MEMCG_KMEM */
+#endif /* CONFIG_MEMCG && !CONFIG_SLOB */
 
 bool list_lru_add(struct list_lru *lru, struct list_head *item)
 {
@@ -292,7 +292,7 @@ static void init_one_lru(struct list_lru_one *l)
        l->nr_items = 0;
 }
 
-#ifdef CONFIG_MEMCG_KMEM
+#if defined(CONFIG_MEMCG) && !defined(CONFIG_SLOB)
 static void __memcg_destroy_list_lru_node(struct list_lru_memcg *memcg_lrus,
                                          int begin, int end)
 {
@@ -529,7 +529,7 @@ static int memcg_init_list_lru(struct list_lru *lru, bool memcg_aware)
 static void memcg_destroy_list_lru(struct list_lru *lru)
 {
 }
-#endif /* CONFIG_MEMCG_KMEM */
+#endif /* CONFIG_MEMCG && !CONFIG_SLOB */
 
 int __list_lru_init(struct list_lru *lru, bool memcg_aware,
                    struct lock_class_key *key)
@@ -554,6 +554,8 @@ int __list_lru_init(struct list_lru *lru, bool memcg_aware,
        err = memcg_init_list_lru(lru, memcg_aware);
        if (err) {
                kfree(lru->node);
+               /* Do this so a list_lru_destroy() doesn't crash: */
+               lru->node = NULL;
                goto out;
        }