diff options
| -rw-r--r-- | drivers/of/fdt.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c index a835c458f50a..cf7608f0537b 100644 --- a/drivers/of/fdt.c +++ b/drivers/of/fdt.c @@ -482,9 +482,11 @@ static int __init early_init_dt_reserve_memory_arch(phys_addr_t base, if (nomap) { /* * If the memory is already reserved (by another region), we - * should not allow it to be marked nomap. + * should not allow it to be marked nomap, but don't worry + * if the region isn't memory as it won't be mapped. */ - if (memblock_is_region_reserved(base, size)) + if (memblock_overlaps_region(&memblock.memory, base, size) && + memblock_is_region_reserved(base, size)) return -EBUSY; return memblock_mark_nomap(base, size); |