ACPI / nouveau: fix probing regression related to _DSM

[firefly-linux-kernel-4.4.55.git] / mm / memblock.c

diff --git a/mm/memblock.c b/mm/memblock.c
index 87d21a6ff63c5730a2708414b6054a139b77cdf1..39a31e7f004505991e37219bdb1e17f571efb933 100644 (file)
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -1077,6 +1077,9 @@ static void * __init memblock_virt_alloc_internal(
        if (!align)
                align = SMP_CACHE_BYTES;
 
+       if (max_addr > memblock.current_limit)
+               max_addr = memblock.current_limit;
+
 again:
        alloc = memblock_find_in_range_node(size, align, min_addr, max_addr,
                                            nid);