linux-master/lib/test_bitmap.c

140 		pr_warn("[%s:%u] bit offset for clump out-of-bounds: expected less than %u, got %u\n",
147 		pr_warn("[%s:%u] bit offset for zero clump: expected nonzero clump, got bit offset %u with clump value 0",
226 	unsigned long b, bit, cnt = 0;
259 	for_each_set_bit(bit, exp1, EXP1_IN_BITS) {
261 		expect_eq_uint(b, bit);
320 	/* the following tests assume a 32- or 64-bit arch (even 128b
773 	0x01,	/* 1 bit set */
774 	0x02,	/* non-edge 1 bit set */
776 	0x38,	/* 3 bits set across 4-bit boundary */
809 	unsigned int wr, bit;
814 	for (bit = 0; bit < 500; bit += 10)
815 		bitmap_set(orig, bit, 1);
823 		for_each_set_bit_wrap(bit, orig, 500, wr)
824 			bitmap_set(copy, bit, 1);
834 	unsigned int bit;
840 	for (bit = 0; bit < 500; bit += 10)
841 		bitmap_set(orig, bit, 1);
846 	for_each_set_bit(bit, orig, 500)
847 		bitmap_set(copy, bit, 1);
856 	unsigned int wr, bit;
861 	for (bit = 0; bit < 500; bit += 10)
862 		bitmap_set(orig, bit, 1);
871 		bit = wr;
873 		for_each_set_bit_from(bit, orig, 500)
874 			bitmap_set(copy, bit, 1);
886 	unsigned int bit;
892 	for (bit = 0; bit < 500; bit += 10)
893 		bitmap_clear(orig, bit, 1);
898 	for_each_clear_bit(bit, orig, 500)
899 		bitmap_clear(copy, bit, 1);
908 	unsigned int wr, bit;
913 	for (bit = 0; bit < 500; bit += 10)
914 		bitmap_clear(orig, bit, 1);
923 		bit = wr;
925 		for_each_clear_bit_from(bit, orig, 500)
926 			bitmap_clear(copy, bit, 1);
1305 	unsigned long w, r, bit;
1315 	 * Check that writing a single bit does not accidentally touch the
1321 		for (bit = 0; bit <= 1; bit++) {
1322 			bitmap_write(bitmap, bit, i, 1);
1323 			__assign_bit(i, exp_bitmap, bit);
1381 	 * The resulting bit pattern is asymmetric to rule out possible issues
1382 	 * with bit numeration order.