diff options
| -rw-r--r-- | arch/sparc64/mm/init.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/sparc64/mm/init.c b/arch/sparc64/mm/init.c index 5930e87dafbc..9bbd0bf64af0 100644 --- a/arch/sparc64/mm/init.c +++ b/arch/sparc64/mm/init.c @@ -973,12 +973,15 @@ static void __init mark_kpte_bitmap(unsigned long start, unsigned long end) while (start < end) { long remains; + remains = end - start; + if (remains < size_256MB) + break; + if (start & mask_256MB) { start = (start + size_256MB) & ~mask_256MB; continue; } - remains = end - start; while (remains >= size_256MB) { unsigned long index = start >> shift_256MB; |