32 	char *addr;  in sense_support()  local
35 	addr = mmap(0, pagesize, PROT_READ | PROT_WRITE,  in sense_support()
37 	if (!addr)  in sense_support()
40 	ret = madvise(addr, pagesize, MADV_POPULATE_READ);  in sense_support()
44 	ret = madvise(addr, pagesize, MADV_POPULATE_WRITE);  in sense_support()
48 	munmap(addr, pagesize);  in sense_support()
53 	char *addr;  in test_prot_read()  local
58 	addr = mmap(0, SIZE, PROT_READ, MAP_ANONYMOUS | MAP_PRIVATE, 0, 0);  in test_prot_read()
59 	if (addr == MAP_FAILED)  in test_prot_read()
62 	ret = madvise(addr, SIZE, MADV_POPULATE_READ);  in test_prot_read()
65 	ret = madvise(addr, SIZE, MADV_POPULATE_WRITE);  in test_prot_read()
69 	munmap(addr, SIZE);  in test_prot_read()
74 	char *addr;  in test_prot_write()  local
79 	addr = mmap(0, SIZE, PROT_WRITE, MAP_ANONYMOUS | MAP_PRIVATE, 0, 0);  in test_prot_write()
80 	if (addr == MAP_FAILED)  in test_prot_write()
83 	ret = madvise(addr, SIZE, MADV_POPULATE_READ);  in test_prot_write()
87 	ret = madvise(addr, SIZE, MADV_POPULATE_WRITE);  in test_prot_write()
90 	munmap(addr, SIZE);  in test_prot_write()
95 	char *addr;  in test_holes()  local
100 	addr = mmap(0, SIZE, PROT_READ | PROT_WRITE,  in test_holes()
102 	if (addr == MAP_FAILED)  in test_holes()
104 	ret = munmap(addr + pagesize, pagesize);  in test_holes()
109 	ret = madvise(addr, SIZE, MADV_POPULATE_READ);  in test_holes()
112 	ret = madvise(addr, SIZE, MADV_POPULATE_WRITE);  in test_holes()
117 	ret = madvise(addr, 2 * pagesize, MADV_POPULATE_READ);  in test_holes()
120 	ret = madvise(addr, 2 * pagesize, MADV_POPULATE_WRITE);  in test_holes()
125 	ret = madvise(addr + pagesize, pagesize, MADV_POPULATE_READ);  in test_holes()
128 	ret = madvise(addr + pagesize, pagesize, MADV_POPULATE_WRITE);  in test_holes()
132 	munmap(addr, SIZE);  in test_holes()
165 	char *addr;  in test_populate_read()  local
170 	addr = mmap(0, SIZE, PROT_READ | PROT_WRITE,  in test_populate_read()
172 	if (addr == MAP_FAILED)  in test_populate_read()
174 	ksft_test_result(range_is_not_populated(addr, SIZE),  in test_populate_read()
177 	ret = madvise(addr, SIZE, MADV_POPULATE_READ);  in test_populate_read()
179 	ksft_test_result(range_is_populated(addr, SIZE),  in test_populate_read()
182 	munmap(addr, SIZE);  in test_populate_read()
187 	char *addr;  in test_populate_write()  local
192 	addr = mmap(0, SIZE, PROT_READ | PROT_WRITE,  in test_populate_write()
194 	if (addr == MAP_FAILED)  in test_populate_write()
196 	ksft_test_result(range_is_not_populated(addr, SIZE),  in test_populate_write()
199 	ret = madvise(addr, SIZE, MADV_POPULATE_WRITE);  in test_populate_write()
201 	ksft_test_result(range_is_populated(addr, SIZE),  in test_populate_write()
204 	munmap(addr, SIZE);  in test_populate_write()
237 	char *addr;  in test_softdirty()  local
242 	addr = mmap(0, SIZE, PROT_READ | PROT_WRITE,  in test_softdirty()
244 	if (addr == MAP_FAILED)  in test_softdirty()
249 	ksft_test_result(range_is_not_softdirty(addr, SIZE),  in test_softdirty()
253 	ret = madvise(addr, SIZE, MADV_POPULATE_READ);  in test_softdirty()
255 	ksft_test_result(range_is_not_softdirty(addr, SIZE),  in test_softdirty()
259 	ret = madvise(addr, SIZE, MADV_POPULATE_WRITE);  in test_softdirty()
261 	ksft_test_result(range_is_softdirty(addr, SIZE),  in test_softdirty()
264 	munmap(addr, SIZE);  in test_softdirty()