diff options
Diffstat (limited to 'mm/memblock.c')
| -rw-r--r-- | mm/memblock.c | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/mm/memblock.c b/mm/memblock.c index b049c9b2dba8..2cb25fe4452c 100644 --- a/mm/memblock.c +++ b/mm/memblock.c @@ -54,9 +54,6 @@ struct memblock memblock __initdata_memblock = { }; int memblock_debug __initdata_memblock; -#ifdef CONFIG_MOVABLE_NODE -bool movable_node_enabled __initdata_memblock = false; -#endif static bool system_has_some_mirror __initdata_memblock = false; static int memblock_can_resize __initdata_memblock; static int memblock_memory_in_slab __initdata_memblock = 0; @@ -1739,6 +1736,29 @@ static void __init_memblock memblock_dump(struct memblock_type *type) } } +extern unsigned long __init_memblock +memblock_reserved_memory_within(phys_addr_t start_addr, phys_addr_t end_addr) +{ + struct memblock_region *rgn; + unsigned long size = 0; + int idx; + + for_each_memblock_type((&memblock.reserved), rgn) { + phys_addr_t start, end; + + if (rgn->base + rgn->size < start_addr) + continue; + if (rgn->base > end_addr) + continue; + + start = rgn->base; + end = start + rgn->size; + size += end - start; + } + + return size; +} + void __init_memblock __memblock_dump_all(void) { pr_info("MEMBLOCK configuration:\n"); |