diff options
Diffstat (limited to 'include/linux/percpu.h')
| -rw-r--r-- | include/linux/percpu.h | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/include/linux/percpu.h b/include/linux/percpu.h index 1338ea2aa720..68fac2e7cbe6 100644 --- a/include/linux/percpu.h +++ b/include/linux/percpu.h @@ -8,6 +8,7 @@ #include <linux/cpumask.h> #include <linux/pfn.h> #include <linux/init.h> +#include <linux/cleanup.h> #include <asm/percpu.h> @@ -34,6 +35,12 @@ #define PCPU_BITMAP_BLOCK_BITS (PCPU_BITMAP_BLOCK_SIZE >> \ PCPU_MIN_ALLOC_SHIFT) +#ifdef CONFIG_RANDOM_KMALLOC_CACHES +#define PERCPU_DYNAMIC_SIZE_SHIFT 12 +#else +#define PERCPU_DYNAMIC_SIZE_SHIFT 10 +#endif + /* * Percpu allocator can serve percpu allocations before slab is * initialized which allows slab to depend on the percpu allocator. @@ -41,7 +48,7 @@ * for this. Keep PERCPU_DYNAMIC_RESERVE equal to or larger than * PERCPU_DYNAMIC_EARLY_SIZE. */ -#define PERCPU_DYNAMIC_EARLY_SIZE (20 << 10) +#define PERCPU_DYNAMIC_EARLY_SIZE (20 << PERCPU_DYNAMIC_SIZE_SHIFT) /* * PERCPU_DYNAMIC_RESERVE indicates the amount of free area to piggy @@ -55,9 +62,9 @@ * intelligent way to determine this would be nice. */ #if BITS_PER_LONG > 32 -#define PERCPU_DYNAMIC_RESERVE (28 << 10) +#define PERCPU_DYNAMIC_RESERVE (28 << PERCPU_DYNAMIC_SIZE_SHIFT) #else -#define PERCPU_DYNAMIC_RESERVE (20 << 10) +#define PERCPU_DYNAMIC_RESERVE (20 << PERCPU_DYNAMIC_SIZE_SHIFT) #endif extern void *pcpu_base_addr; @@ -103,12 +110,10 @@ extern void __init pcpu_free_alloc_info(struct pcpu_alloc_info *ai); extern void __init pcpu_setup_first_chunk(const struct pcpu_alloc_info *ai, void *base_addr); -#ifdef CONFIG_NEED_PER_CPU_EMBED_FIRST_CHUNK extern int __init pcpu_embed_first_chunk(size_t reserved_size, size_t dyn_size, size_t atom_size, pcpu_fc_cpu_distance_fn_t cpu_distance_fn, pcpu_fc_cpu_to_node_fn_t cpu_to_nd_fn); -#endif #ifdef CONFIG_NEED_PER_CPU_PAGE_FIRST_CHUNK void __init pcpu_populate_pte(unsigned long addr); @@ -127,6 +132,9 @@ extern void __init setup_per_cpu_areas(void); extern void __percpu *__alloc_percpu_gfp(size_t size, size_t align, gfp_t gfp) __alloc_size(1); extern void __percpu *__alloc_percpu(size_t size, size_t align) __alloc_size(1); extern void free_percpu(void __percpu *__pdata); + +DEFINE_FREE(free_percpu, void __percpu *, free_percpu(_T)) + extern phys_addr_t per_cpu_ptr_to_phys(void *addr); #define alloc_percpu_gfp(type, gfp) \ |