diff options
-rw-r--r-- | lib/test_bitmap.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/test_bitmap.c b/lib/test_bitmap.c index 25967cfa4ab2..98754ff9fe68 100644 --- a/lib/test_bitmap.c +++ b/lib/test_bitmap.c @@ -604,6 +604,12 @@ static void __init test_bitmap_arr64(void) pr_err("bitmap_copy_arr64(nbits == %d:" " tail is not safely cleared: %d\n", nbits, next_bit); + if ((nbits % 64) && + (arr[(nbits - 1) / 64] & ~GENMASK_ULL((nbits - 1) % 64, 0))) + pr_err("bitmap_to_arr64(nbits == %d): tail is not safely cleared: 0x%016llx (must be 0x%016llx)\n", + nbits, arr[(nbits - 1) / 64], + GENMASK_ULL((nbits - 1) % 64, 0)); + if (nbits < EXP1_IN_BITS - 64) expect_eq_uint(arr[DIV_ROUND_UP(nbits, 64)], 0xa5a5a5a5); } |