diff options
Diffstat (limited to 'mm/memblock.c')
| -rw-r--r-- | mm/memblock.c | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/mm/memblock.c b/mm/memblock.c index 82aa349d2f7a..625905523c2a 100644 --- a/mm/memblock.c +++ b/mm/memblock.c @@ -41,7 +41,8 @@ static int memblock_memory_in_slab __initdata_memblock = 0; static int memblock_reserved_in_slab __initdata_memblock = 0; /* inline so we don't get a warning when pr_debug is compiled out */ -static inline const char *memblock_type_name(struct memblock_type *type) +static __init_memblock const char * +memblock_type_name(struct memblock_type *type) { if (type == &memblock.memory) return "memory"; @@ -756,7 +757,7 @@ int __init_memblock memblock_set_node(phys_addr_t base, phys_addr_t size, return ret; for (i = start_rgn; i < end_rgn; i++) - type->regions[i].nid = nid; + memblock_set_region_node(&type->regions[i], nid); memblock_merge_regions(type); return 0; @@ -929,6 +930,30 @@ int __init_memblock memblock_is_region_reserved(phys_addr_t base, phys_addr_t si return memblock_overlaps_region(&memblock.reserved, base, size) >= 0; } +void __init_memblock memblock_trim_memory(phys_addr_t align) +{ + int i; + phys_addr_t start, end, orig_start, orig_end; + struct memblock_type *mem = &memblock.memory; + + for (i = 0; i < mem->cnt; i++) { + orig_start = mem->regions[i].base; + orig_end = mem->regions[i].base + mem->regions[i].size; + start = round_up(orig_start, align); + end = round_down(orig_end, align); + + if (start == orig_start && end == orig_end) + continue; + + if (start < end) { + mem->regions[i].base = start; + mem->regions[i].size = end - start; + } else { + memblock_remove_region(mem, i); + i--; + } + } +} void __init_memblock memblock_set_current_limit(phys_addr_t limit) { |