__BITMAP_SHIFT_LEFT(9) Basic Kernel Library Functions __BITMAP_SHIFT_LEFT(9)NAME
__bitmap_shift_left - logical left shift of the bits in a bitmap
SYNOPSIS
void __bitmap_shift_left(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 left (multiplying) means moving bits in the LS -> MS
direction. Zeros are fed into the vacated LS bit positions and those MS
bits shifted off the top are lost.
COPYRIGHTKernel Hackers Manual 2.6. November 2013 __BITMAP_SHIFT_LEFT(9)