diff options
| -rw-r--r-- | mm/memblock.c | 7 |
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) |