58 	char *addr;  in sense_support()  local
61 	addr = mmap(0, pagesize, PROT_READ | PROT_WRITE,  in sense_support()
63 	if (!addr)  in sense_support()
66 	ret = madvise(addr, pagesize, MADV_POPULATE_READ);  in sense_support()
70 	ret = madvise(addr, pagesize, MADV_POPULATE_WRITE);  in sense_support()
74 	munmap(addr, pagesize);  in sense_support()
79 	char *addr;  in test_prot_read()  local
84 	addr = mmap(0, SIZE, PROT_READ, MAP_ANONYMOUS | MAP_PRIVATE, 0, 0);  in test_prot_read()
85 	if (addr == MAP_FAILED)  in test_prot_read()
88 	ret = madvise(addr, SIZE, MADV_POPULATE_READ);  in test_prot_read()
91 	ret = madvise(addr, SIZE, MADV_POPULATE_WRITE);  in test_prot_read()
95 	munmap(addr, SIZE);  in test_prot_read()
100 	char *addr;  in test_prot_write()  local
105 	addr = mmap(0, SIZE, PROT_WRITE, MAP_ANONYMOUS | MAP_PRIVATE, 0, 0);  in test_prot_write()
106 	if (addr == MAP_FAILED)  in test_prot_write()
109 	ret = madvise(addr, SIZE, MADV_POPULATE_READ);  in test_prot_write()
113 	ret = madvise(addr, SIZE, MADV_POPULATE_WRITE);  in test_prot_write()
116 	munmap(addr, SIZE);  in test_prot_write()
121 	char *addr;  in test_holes()  local
126 	addr = mmap(0, SIZE, PROT_READ | PROT_WRITE,  in test_holes()
128 	if (addr == MAP_FAILED)  in test_holes()
130 	ret = munmap(addr + pagesize, pagesize);  in test_holes()
135 	ret = madvise(addr, SIZE, MADV_POPULATE_READ);  in test_holes()
138 	ret = madvise(addr, SIZE, MADV_POPULATE_WRITE);  in test_holes()
143 	ret = madvise(addr, 2 * pagesize, MADV_POPULATE_READ);  in test_holes()
146 	ret = madvise(addr, 2 * pagesize, MADV_POPULATE_WRITE);  in test_holes()
151 	ret = madvise(addr + pagesize, pagesize, MADV_POPULATE_READ);  in test_holes()
154 	ret = madvise(addr + pagesize, pagesize, MADV_POPULATE_WRITE);  in test_holes()
158 	munmap(addr, SIZE);  in test_holes()
191 	char *addr;  in test_populate_read()  local
196 	addr = mmap(0, SIZE, PROT_READ | PROT_WRITE,  in test_populate_read()
198 	if (addr == MAP_FAILED)  in test_populate_read()
200 	ksft_test_result(range_is_not_populated(addr, SIZE),  in test_populate_read()
203 	ret = madvise(addr, SIZE, MADV_POPULATE_READ);  in test_populate_read()
205 	ksft_test_result(range_is_populated(addr, SIZE),  in test_populate_read()
208 	munmap(addr, SIZE);  in test_populate_read()
213 	char *addr;  in test_populate_write()  local
218 	addr = mmap(0, SIZE, PROT_READ | PROT_WRITE,  in test_populate_write()
220 	if (addr == MAP_FAILED)  in test_populate_write()
222 	ksft_test_result(range_is_not_populated(addr, SIZE),  in test_populate_write()
225 	ret = madvise(addr, SIZE, MADV_POPULATE_WRITE);  in test_populate_write()
227 	ksft_test_result(range_is_populated(addr, SIZE),  in test_populate_write()
230 	munmap(addr, SIZE);  in test_populate_write()
277 	char *addr;  in test_softdirty()  local
282 	addr = mmap(0, SIZE, PROT_READ | PROT_WRITE,  in test_softdirty()
284 	if (addr == MAP_FAILED)  in test_softdirty()
289 	ksft_test_result(range_is_not_softdirty(addr, SIZE),  in test_softdirty()
293 	ret = madvise(addr, SIZE, MADV_POPULATE_READ);  in test_softdirty()
295 	ksft_test_result(range_is_not_softdirty(addr, SIZE),  in test_softdirty()
299 	ret = madvise(addr, SIZE, MADV_POPULATE_WRITE);  in test_softdirty()
301 	ksft_test_result(range_is_softdirty(addr, SIZE),  in test_softdirty()
304 	munmap(addr, SIZE);  in test_softdirty()