diff options
-rw-r--r-- | mm/percpu.c | 18 |
1 files changed, 6 insertions, 12 deletions
diff --git a/mm/percpu.c b/mm/percpu.c index 470e1a084a7c..851aa8109788 100644 --- a/mm/percpu.c +++ b/mm/percpu.c @@ -1562,8 +1562,7 @@ int __init pcpu_setup_first_chunk(const struct pcpu_alloc_info *ai, { static int smap[PERCPU_DYNAMIC_EARLY_SLOTS] __initdata; static int dmap[PERCPU_DYNAMIC_EARLY_SLOTS] __initdata; - size_t dyn_size = ai->dyn_size; - size_t size_sum = ai->static_size + ai->reserved_size + dyn_size; + size_t size_sum = ai->static_size + ai->reserved_size + ai->dyn_size; struct pcpu_chunk *schunk, *dchunk = NULL; unsigned long *group_offsets; size_t *group_sizes; @@ -1690,14 +1689,7 @@ int __init pcpu_setup_first_chunk(const struct pcpu_alloc_info *ai, bitmap_fill(schunk->populated, pcpu_unit_pages); schunk->nr_populated = pcpu_unit_pages; - if (ai->reserved_size) { - schunk->free_size = ai->reserved_size; - pcpu_reserved_chunk = schunk; - } else { - schunk->free_size = dyn_size; - dyn_size = 0; /* dynamic area covered */ - } - + schunk->free_size = ai->reserved_size ?: ai->dyn_size; schunk->contig_hint = schunk->free_size; schunk->map[0] = 1; schunk->map[1] = schunk->start_offset; @@ -1705,7 +1697,9 @@ int __init pcpu_setup_first_chunk(const struct pcpu_alloc_info *ai, schunk->map_used = 2; /* init dynamic chunk if necessary */ - if (dyn_size) { + if (ai->reserved_size) { + pcpu_reserved_chunk = schunk; + dchunk = memblock_virt_alloc(pcpu_chunk_struct_size, 0); INIT_LIST_HEAD(&dchunk->list); INIT_LIST_HEAD(&dchunk->map_extend_list); @@ -1717,7 +1711,7 @@ int __init pcpu_setup_first_chunk(const struct pcpu_alloc_info *ai, bitmap_fill(dchunk->populated, pcpu_unit_pages); dchunk->nr_populated = pcpu_unit_pages; - dchunk->contig_hint = dchunk->free_size = dyn_size; + dchunk->contig_hint = dchunk->free_size = ai->dyn_size; dchunk->map[0] = 1; dchunk->map[1] = dchunk->start_offset; dchunk->map[2] = (dchunk->start_offset + dchunk->free_size) | 1; |