__BITMAP_SHIFT_RIGHT(9) Basic Kernel Library Functions __BITMAP_SHIFT_RIGHT(9)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.
COPYRIGHTKernel Hackers Manual 2.6. November 2013 __BITMAP_SHIFT_RIGHT(9)