diff options
Diffstat (limited to 'mm')
-rw-r--r-- | mm/Kconfig | 1 | ||||
-rw-r--r-- | mm/kasan/kasan.h | 1 | ||||
-rw-r--r-- | mm/memcontrol.c | 2 | ||||
-rw-r--r-- | mm/zsmalloc.c | 35 |
4 files changed, 19 insertions, 20 deletions
diff --git a/mm/Kconfig b/mm/Kconfig index 2664c118b5d2..22fa8189e4fc 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -649,6 +649,7 @@ config DEFERRED_STRUCT_PAGE_INIT default n depends on ARCH_SUPPORTS_DEFERRED_STRUCT_PAGE_INIT depends on MEMORY_HOTPLUG + depends on !FLATMEM help Ordinarily all struct pages are initialised during early boot in a single thread. On very large machines this can take a considerable diff --git a/mm/kasan/kasan.h b/mm/kasan/kasan.h index 7f7ac51d7faf..fb87923552ef 100644 --- a/mm/kasan/kasan.h +++ b/mm/kasan/kasan.h @@ -77,7 +77,6 @@ struct kasan_alloc_meta { struct kasan_track track; u32 state : 2; /* enum kasan_state */ u32 alloc_size : 30; - u32 reserved; }; struct qlist_node { diff --git a/mm/memcontrol.c b/mm/memcontrol.c index cf428d7b9a03..f6477a9dbe7a 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -1302,6 +1302,8 @@ static bool mem_cgroup_out_of_memory(struct mem_cgroup *memcg, gfp_t gfp_mask, mem_cgroup_iter_break(memcg, iter); if (chosen) put_task_struct(chosen); + /* Set a dummy value to return "true". */ + chosen = (void *) 1; goto unlock; case OOM_SCAN_OK: break; diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c index 72698db958e7..b6d4f258cb53 100644 --- a/mm/zsmalloc.c +++ b/mm/zsmalloc.c @@ -45,6 +45,8 @@ * */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/module.h> #include <linux/kernel.h> #include <linux/sched.h> @@ -483,16 +485,16 @@ static inline unsigned long zs_stat_get(struct size_class *class, #ifdef CONFIG_ZSMALLOC_STAT -static int __init zs_stat_init(void) +static void __init zs_stat_init(void) { - if (!debugfs_initialized()) - return -ENODEV; + if (!debugfs_initialized()) { + pr_warn("debugfs not available, stat dir not created\n"); + return; + } zs_stat_root = debugfs_create_dir("zsmalloc", NULL); if (!zs_stat_root) - return -ENOMEM; - - return 0; + pr_warn("debugfs 'zsmalloc' stat dir creation failed\n"); } static void __exit zs_stat_exit(void) @@ -577,8 +579,10 @@ static void zs_pool_stat_create(struct zs_pool *pool, const char *name) { struct dentry *entry; - if (!zs_stat_root) + if (!zs_stat_root) { + pr_warn("no root stat dir, not creating <%s> stat dir\n", name); return; + } entry = debugfs_create_dir(name, zs_stat_root); if (!entry) { @@ -592,7 +596,8 @@ static void zs_pool_stat_create(struct zs_pool *pool, const char *name) if (!entry) { pr_warn("%s: debugfs file entry <%s> creation failed\n", name, "classes"); - return; + debugfs_remove_recursive(pool->stat_dentry); + pool->stat_dentry = NULL; } } @@ -602,9 +607,8 @@ static void zs_pool_stat_destroy(struct zs_pool *pool) } #else /* CONFIG_ZSMALLOC_STAT */ -static int __init zs_stat_init(void) +static void __init zs_stat_init(void) { - return 0; } static void __exit zs_stat_exit(void) @@ -2011,17 +2015,10 @@ static int __init zs_init(void) zpool_register_driver(&zs_zpool_driver); #endif - ret = zs_stat_init(); - if (ret) { - pr_err("zs stat initialization failed\n"); - goto stat_fail; - } + zs_stat_init(); + return 0; -stat_fail: -#ifdef CONFIG_ZPOOL - zpool_unregister_driver(&zs_zpool_driver); -#endif notifier_fail: zs_unregister_cpu_notifier(); |