Lines Matching refs:bit
74 * The implementation uses bit arrays to record whether
76 * convenience, these bit arrays come in various sizes.
83 * For a 32-bit machine with 4KB pages, the largest size
238 int bit, byte;
242 bit = atop_32(offset);
243 byte = bit >> 3;
244 if (map[byte] & (1 << (bit & 07))) {
257 int bit, byte;
262 bit = atop_32(offset);
263 byte = bit >> 3;
264 map[byte] |= (1 << (bit & 07));
273 int bit, byte;
278 bit = atop_32(offset);
279 byte = bit >> 3;
280 map[byte] &= ~(1 << (bit & 07));