88 	unsigned off = shift/BITS_PER_LONG, rem = shift % BITS_PER_LONG;  in __bitmap_shift_right()  local
90 	for (k = 0; off + k < lim; ++k) {  in __bitmap_shift_right()
97 		if (!rem || off + k + 1 >= lim)  in __bitmap_shift_right()
100 			upper = src[off + k + 1];  in __bitmap_shift_right()
101 			if (off + k + 1 == lim - 1)  in __bitmap_shift_right()
105 		lower = src[off + k];  in __bitmap_shift_right()
106 		if (off + k == lim - 1)  in __bitmap_shift_right()
111 	if (off)  in __bitmap_shift_right()
112 		memset(&dst[lim - off], 0, off*sizeof(unsigned long));  in __bitmap_shift_right()
134 	unsigned int off = shift/BITS_PER_LONG, rem = shift % BITS_PER_LONG;  in __bitmap_shift_left()  local
135 	for (k = lim - off - 1; k >= 0; --k) {  in __bitmap_shift_left()
147 		dst[k + off] = lower | upper;  in __bitmap_shift_left()
149 	if (off)  in __bitmap_shift_left()
150 		memset(dst, 0, off*sizeof(unsigned long));  in __bitmap_shift_left()