Scroll to navigation

__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, unsigned int shift, unsigned int nbits);

ARGUMENTS

unsigned long * dst

destination bitmap

const unsigned long * src

source bitmap

unsigned int shift

shift by this many bits

unsigned int nbits

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.

COPYRIGHT

June 2017 Kernel Hackers Manual 4.11