Name
__bitmap_shift_right —
logical right shift of the bits in a bitmap
Synopsis
void __bitmap_shift_right ( | unsigned long * | dst, |
| | const unsigned long * | src, |
| | int | shift, |
| | int | bits); |
Arguments
dst
destination bitmap
src
source bitmap
shift
shift by this many bits
bits
bitmap size, in bits
Description
Shifting right (dividing) means moving bits in the MS -> LS bit
direction. Zeros are fed into the vacated MS positions and the
LS bits shifted off the bottom are lost.