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-rw-r--r--mm/memblock.c7
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)