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.