1 files changed, 6 insertions, 1 deletions

diff --git a/mm/memblock.c b/mm/memblock.c
index d5d63ac1fd83..9ad39690a2bd 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -105,13 +105,18 @@ static phys_addr_t __init memblock_find_region(phys_addr_t start, phys_addr_t en
         phys_addr_t base, res_base;
         long j;
 
+        /* In case, huge size is requested */
+        if (end < size)
+                return MEMBLOCK_ERROR;
+
+        base = memblock_align_down((end - size), align);
+
         /* Prevent allocations returning 0 as it's also used to
          * indicate an allocation failure
          */
         if (start == 0)
                 start = PAGE_SIZE;
 
-        base = memblock_align_down((end - size), align);
         while (start <= base) {
                 j = memblock_overlaps_region(&memblock.reserved, base, size);
                 if (j < 0)