__BITMAP_SHIFT_RIGHT

Section: Basic Kernel Library Functions (9)
Updated: February 2011
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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.  

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