diff options
Diffstat (limited to 'mm/slab_common.c')
| -rw-r--r-- | mm/slab_common.c | 23 |
1 files changed, 8 insertions, 15 deletions
diff --git a/mm/slab_common.c b/mm/slab_common.c index 987e6917d850..77c3adf40e50 100644 --- a/mm/slab_common.c +++ b/mm/slab_common.c @@ -24,6 +24,7 @@ #include <asm/tlbflush.h> #include <asm/page.h> #include <linux/memcontrol.h> +#include <linux/stackdepot.h> #define CREATE_TRACE_POINTS #include <trace/events/kmem.h> @@ -313,9 +314,13 @@ kmem_cache_create_usercopy(const char *name, * If no slub_debug was enabled globally, the static key is not yet * enabled by setup_slub_debug(). Enable it if the cache is being * created with any of the debugging flags passed explicitly. + * It's also possible that this is the first cache created with + * SLAB_STORE_USER and we should init stack_depot for it. */ if (flags & SLAB_DEBUG_FLAGS) static_branch_enable(&slub_debug_enabled); + if (flags & SLAB_STORE_USER) + stack_depot_init(); #endif mutex_lock(&slab_mutex); @@ -857,6 +862,8 @@ new_kmalloc_cache(int idx, enum kmalloc_cache_type type, slab_flags_t flags) return; } flags |= SLAB_ACCOUNT; + } else if (IS_ENABLED(CONFIG_ZONE_DMA) && (type == KMALLOC_DMA)) { + flags |= SLAB_CACHE_DMA; } kmalloc_caches[type][idx] = create_kmalloc_cache( @@ -885,7 +892,7 @@ void __init create_kmalloc_caches(slab_flags_t flags) /* * Including KMALLOC_CGROUP if CONFIG_MEMCG_KMEM defined */ - for (type = KMALLOC_NORMAL; type <= KMALLOC_RECLAIM; type++) { + for (type = KMALLOC_NORMAL; type < NR_KMALLOC_TYPES; type++) { for (i = KMALLOC_SHIFT_LOW; i <= KMALLOC_SHIFT_HIGH; i++) { if (!kmalloc_caches[type][i]) new_kmalloc_cache(i, type, flags); @@ -906,20 +913,6 @@ void __init create_kmalloc_caches(slab_flags_t flags) /* Kmalloc array is now usable */ slab_state = UP; - -#ifdef CONFIG_ZONE_DMA - for (i = 0; i <= KMALLOC_SHIFT_HIGH; i++) { - struct kmem_cache *s = kmalloc_caches[KMALLOC_NORMAL][i]; - - if (s) { - kmalloc_caches[KMALLOC_DMA][i] = create_kmalloc_cache( - kmalloc_info[i].name[KMALLOC_DMA], - kmalloc_info[i].size, - SLAB_CACHE_DMA | flags, 0, - kmalloc_info[i].size); - } - } -#endif } #endif /* !CONFIG_SLOB */ |