1 /* SPDX-License-Identifier: GPL-2.0 */
20 	int i, ret = -ENOMEM;  in __link_vmas()
28 		mas_set_range(&mas, vmas[i].vm_start, vmas[i].vm_end - 1);  in __link_vmas()
47  * heap and the mmap()-ed regions, and 2) the mmap()-ed regions and stack.
57  * For example, suppose virtual address ranges of 10-20, 20-25, 200-210,
58  * 210-220, 300-305, and 307-330 (Other comments represent this mappings in
59  * more short form: 10-20-25, 200-210-220, 300-305, 307-330) of a process are
61  * and end with 305.  The process also has three unmapped areas, 25-200,
62  * 220-300, and 305-307.  Among those, 25-200 and 220-300 are the biggest two
63  * unmapped areas, and thus it should be converted to three regions of 10-25,
64  * 200-220, and 300-330.
70 	/* 10-20-25, 200-210-220, 300-305, 307-330 */  in damon_test_three_regions_in_vmas()
148 		KUNIT_EXPECT_EQ(test, r->ar.start, expected[i * 2]);  in damon_do_test_apply_three_regions()
149 		KUNIT_EXPECT_EQ(test, r->ar.end, expected[i * 2 + 1]);  in damon_do_test_apply_three_regions()
157  * slightly changed.  Target regions should adjust their boundary (10-20-30,
158  * 50-55, 70-80, 90-100) to fit with the new big regions or remove target
159  * regions (57-79) that now out of the three regions.
163 	/* 10-20-30, 50-55-57-59, 70-80-90-100 */  in damon_test_apply_three_regions1()
165 				70, 80, 80, 90, 90, 100};  in damon_test_apply_three_regions1()
166 	/* 5-27, 45-55, 73-104 */  in damon_test_apply_three_regions1()
171 	/* 5-20-27, 45-55, 73-80-90-104 */  in damon_test_apply_three_regions1()
181  * now require two target regions (50-55, 57-59) to be removed.
185 	/* 10-20-30, 50-55-57-59, 70-80-90-100 */  in damon_test_apply_three_regions2()
187 				70, 80, 80, 90, 90, 100};  in damon_test_apply_three_regions2()
188 	/* 5-27, 56-57, 65-104 */  in damon_test_apply_three_regions2()
193 	/* 5-20-27, 56-57, 65-80-90-104 */  in damon_test_apply_three_regions2()
203  * different area (50-59 -> 61-63).  The target regions which were in the old
204  * second big region (50-55-57-59) should be removed and new target region
205  * covering the second big region (61-63) should be created.
209 	/* 10-20-30, 50-55-57-59, 70-80-90-100 */  in damon_test_apply_three_regions3()
211 				70, 80, 80, 90, 90, 100};  in damon_test_apply_three_regions3()
212 	/* 5-27, 61-63, 65-104 */  in damon_test_apply_three_regions3()
217 	/* 5-20-27, 61-63, 65-80-90-104 */  in damon_test_apply_three_regions3()
226  * Test another big change.  Both of the second and third big regions (50-59
227  * and 70-100) has totally freed and mapped to different area (30-32 and
228  * 65-68).  The target regions which were in the old second and third big
234 	/* 10-20-30, 50-55-57-59, 70-80-90-100 */  in damon_test_apply_three_regions4()
236 				70, 80, 80, 90, 90, 100};  in damon_test_apply_three_regions4()
237 	/* 5-7, 30-32, 65-68 */  in damon_test_apply_three_regions4()
242 	/* expect 5-7, 30-32, 65-68 */  in damon_test_apply_three_regions4()
257 			damon_va_evenly_split_region(t, r, nr_pieces), -EINVAL);  in damon_test_split_evenly_fail()
261 		KUNIT_EXPECT_EQ(test, r->ar.start, start);  in damon_test_split_evenly_fail()
262 		KUNIT_EXPECT_EQ(test, r->ar.end, end);  in damon_test_split_evenly_fail()
273 	unsigned long expected_width = (end - start) / nr_pieces;  in damon_test_split_evenly_succ()
282 		if (i == nr_pieces - 1) {  in damon_test_split_evenly_succ()
284 				r->ar.start, start + i * expected_width);  in damon_test_split_evenly_succ()
285 			KUNIT_EXPECT_EQ(test, r->ar.end, end);  in damon_test_split_evenly_succ()
289 				r->ar.start, start + i++ * expected_width);  in damon_test_split_evenly_succ()
290 		KUNIT_EXPECT_EQ(test, r->ar.end, start + i * expected_width);  in damon_test_split_evenly_succ()
298 			-EINVAL);  in damon_test_split_evenly()
317 	.name = "damon-operations",