diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/percpu.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/mm/percpu.c b/mm/percpu.c index f5b2c2ea5a54..267a4d295fcf 100644 --- a/mm/percpu.c +++ b/mm/percpu.c @@ -3001,6 +3001,7 @@ static struct pcpu_alloc_info * __init __flatten pcpu_build_alloc_info( * @dyn_size: minimum free size for dynamic allocation in bytes * @atom_size: allocation atom size * @cpu_distance_fn: callback to determine distance between cpus, optional + * @cpu_to_nd_fn: callback to convert cpu to it's node, optional * @alloc_fn: function to allocate percpu page * @free_fn: function to free percpu page * @@ -3030,6 +3031,7 @@ static struct pcpu_alloc_info * __init __flatten pcpu_build_alloc_info( 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, pcpu_fc_alloc_fn_t alloc_fn, pcpu_fc_free_fn_t free_fn) { @@ -3066,7 +3068,7 @@ int __init pcpu_embed_first_chunk(size_t reserved_size, size_t dyn_size, BUG_ON(cpu == NR_CPUS); /* allocate space for the whole group */ - ptr = alloc_fn(cpu, gi->nr_units * ai->unit_size, atom_size); + ptr = alloc_fn(cpu, gi->nr_units * ai->unit_size, atom_size, cpu_to_nd_fn); if (!ptr) { rc = -ENOMEM; goto out_free_areas; @@ -3143,6 +3145,7 @@ out_free: /** * pcpu_page_first_chunk - map the first chunk using PAGE_SIZE pages * @reserved_size: the size of reserved percpu area in bytes + * @cpu_to_nd_fn: callback to convert cpu to it's node, optional * @alloc_fn: function to allocate percpu page, always called with PAGE_SIZE * @free_fn: function to free percpu page, always called with PAGE_SIZE * @populate_pte_fn: function to populate pte @@ -3157,6 +3160,7 @@ out_free: * 0 on success, -errno on failure. */ int __init pcpu_page_first_chunk(size_t reserved_size, + pcpu_fc_cpu_to_node_fn_t cpu_to_nd_fn, pcpu_fc_alloc_fn_t alloc_fn, pcpu_fc_free_fn_t free_fn, pcpu_fc_populate_pte_fn_t populate_pte_fn) @@ -3201,7 +3205,7 @@ int __init pcpu_page_first_chunk(size_t reserved_size, for (i = 0; i < unit_pages; i++) { void *ptr; - ptr = alloc_fn(cpu, PAGE_SIZE, PAGE_SIZE); + ptr = alloc_fn(cpu, PAGE_SIZE, PAGE_SIZE, cpu_to_nd_fn); if (!ptr) { pr_warn("failed to allocate %s page for cpu%u\n", psize_str, cpu); @@ -3278,8 +3282,8 @@ out_free_ar: unsigned long __per_cpu_offset[NR_CPUS] __read_mostly; EXPORT_SYMBOL(__per_cpu_offset); -static void * __init pcpu_dfl_fc_alloc(unsigned int cpu, size_t size, - size_t align) +static void * __init pcpu_dfl_fc_alloc(unsigned int cpu, size_t size, size_t align, + pcpu_fc_cpu_to_node_fn_t cpu_to_nd_fn) { return memblock_alloc_from(size, align, __pa(MAX_DMA_ADDRESS)); } @@ -3300,7 +3304,7 @@ void __init setup_per_cpu_areas(void) * what the legacy allocator did. */ rc = pcpu_embed_first_chunk(PERCPU_MODULE_RESERVE, - PERCPU_DYNAMIC_RESERVE, PAGE_SIZE, NULL, + PERCPU_DYNAMIC_RESERVE, PAGE_SIZE, NULL, NULL, pcpu_dfl_fc_alloc, pcpu_dfl_fc_free); if (rc < 0) panic("Failed to initialize percpu areas."); |