diff options
| author | Ingo Molnar <mingo@kernel.org> | 2014-11-16 10:50:25 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-11-16 10:50:25 +0100 |
| commit | e9ac5f0fa8549dffe2a15870217a9c2e7cd557ec (patch) | |
| tree | 863e0e108f7b7ba2dffc7575bbdfc2d454fc2017 /lib/bitmap.c | |
| parent | 44dba3d5d6a10685fb15bd1954e62016334825e0 (diff) | |
| parent | 6e998916dfe327e785e7c2447959b2c1a3ea4930 (diff) | |
Merge branch 'sched/urgent' into sched/core, to pick up fixes before applying more changes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'lib/bitmap.c')
| -rw-r--r-- | lib/bitmap.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/lib/bitmap.c b/lib/bitmap.c index cd250a2e14cb..b499ab6ada29 100644 --- a/lib/bitmap.c +++ b/lib/bitmap.c @@ -131,7 +131,9 @@ void __bitmap_shift_right(unsigned long *dst, lower = src[off + k]; if (left && off + k == lim - 1) lower &= mask; - dst[k] = upper << (BITS_PER_LONG - rem) | lower >> rem; + dst[k] = lower >> rem; + if (rem) + dst[k] |= upper << (BITS_PER_LONG - rem); if (left && k == lim - 1) dst[k] &= mask; } @@ -172,7 +174,9 @@ void __bitmap_shift_left(unsigned long *dst, upper = src[k]; if (left && k == lim - 1) upper &= (1UL << left) - 1; - dst[k + off] = lower >> (BITS_PER_LONG - rem) | upper << rem; + dst[k + off] = upper << rem; + if (rem) + dst[k + off] |= lower >> (BITS_PER_LONG - rem); if (left && k + off == lim - 1) dst[k + off] &= (1UL << left) - 1; } |