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Diffstat (limited to 'drivers/of/fdt.c')
-rw-r--r--drivers/of/fdt.c6
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);