34 	int ret;  in pagemap_get_entry()  local
36 	ret = pread(fd, &entry, sizeof(entry), pfn * sizeof(entry));  in pagemap_get_entry()
37 	if (ret != sizeof(entry))  in pagemap_get_entry()
60 	int ret;  in sense_support()  local
67 	ret = madvise(addr, pagesize, MADV_POPULATE_READ);  in sense_support()
68 	if (ret)  in sense_support()
71 	ret = madvise(addr, pagesize, MADV_POPULATE_WRITE);  in sense_support()
72 	if (ret)  in sense_support()
81 	int ret;  in test_prot_read()  local
89 	ret = madvise(addr, SIZE, MADV_POPULATE_READ);  in test_prot_read()
90 	ksft_test_result(!ret, "MADV_POPULATE_READ with PROT_READ\n");  in test_prot_read()
92 	ret = madvise(addr, SIZE, MADV_POPULATE_WRITE);  in test_prot_read()
93 	ksft_test_result(ret == -1 && errno == EINVAL,  in test_prot_read()
102 	int ret;  in test_prot_write()  local
110 	ret = madvise(addr, SIZE, MADV_POPULATE_READ);  in test_prot_write()
111 	ksft_test_result(ret == -1 && errno == EINVAL,  in test_prot_write()
114 	ret = madvise(addr, SIZE, MADV_POPULATE_WRITE);  in test_prot_write()
115 	ksft_test_result(!ret, "MADV_POPULATE_WRITE with PROT_WRITE\n");  in test_prot_write()
123 	int ret;  in test_holes()  local
131 	ret = munmap(addr + pagesize, pagesize);  in test_holes()
132 	if (ret)  in test_holes()
136 	ret = madvise(addr, SIZE, MADV_POPULATE_READ);  in test_holes()
137 	ksft_test_result(ret == -1 && errno == ENOMEM,  in test_holes()
139 	ret = madvise(addr, SIZE, MADV_POPULATE_WRITE);  in test_holes()
140 	ksft_test_result(ret == -1 && errno == ENOMEM,  in test_holes()
144 	ret = madvise(addr, 2 * pagesize, MADV_POPULATE_READ);  in test_holes()
145 	ksft_test_result(ret == -1 && errno == ENOMEM,  in test_holes()
147 	ret = madvise(addr, 2 * pagesize, MADV_POPULATE_WRITE);  in test_holes()
148 	ksft_test_result(ret == -1 && errno == ENOMEM,  in test_holes()
152 	ret = madvise(addr + pagesize, pagesize, MADV_POPULATE_READ);  in test_holes()
153 	ksft_test_result(ret == -1 && errno == ENOMEM,  in test_holes()
155 	ret = madvise(addr + pagesize, pagesize, MADV_POPULATE_WRITE);  in test_holes()
156 	ksft_test_result(ret == -1 && errno == ENOMEM,  in test_holes()
165 	bool ret = true;  in range_is_populated()  local
169 	for (; size > 0 && ret; size -= pagesize, start += pagesize)  in range_is_populated()
171 			ret = false;  in range_is_populated()
173 	return ret;  in range_is_populated()
179 	bool ret = true;  in range_is_not_populated()  local
183 	for (; size > 0 && ret; size -= pagesize, start += pagesize)  in range_is_not_populated()
185 			ret = false;  in range_is_not_populated()
187 	return ret;  in range_is_not_populated()
193 	int ret;  in test_populate_read()  local
204 	ret = madvise(addr, SIZE, MADV_POPULATE_READ);  in test_populate_read()
205 	ksft_test_result(!ret, "MADV_POPULATE_READ\n");  in test_populate_read()
215 	int ret;  in test_populate_write()  local
226 	ret = madvise(addr, SIZE, MADV_POPULATE_WRITE);  in test_populate_write()
227 	ksft_test_result(!ret, "MADV_POPULATE_WRITE\n");  in test_populate_write()
237 	bool ret = true;  in range_is_softdirty()  local
241 	for (; size > 0 && ret; size -= pagesize, start += pagesize)  in range_is_softdirty()
243 			ret = false;  in range_is_softdirty()
245 	return ret;  in range_is_softdirty()
251 	bool ret = true;  in range_is_not_softdirty()  local
255 	for (; size > 0 && ret; size -= pagesize, start += pagesize)  in range_is_not_softdirty()
257 			ret = false;  in range_is_not_softdirty()
259 	return ret;  in range_is_not_softdirty()
266 	int ret;  in clear_softdirty()  local
270 	ret = write(fd, ctrl, strlen(ctrl));  in clear_softdirty()
271 	if (ret != strlen(ctrl))  in clear_softdirty()
279 	int ret;  in test_softdirty()  local
294 	ret = madvise(addr, SIZE, MADV_POPULATE_READ);  in test_softdirty()
295 	ksft_test_result(!ret, "MADV_POPULATE_READ\n");  in test_softdirty()
300 	ret = madvise(addr, SIZE, MADV_POPULATE_WRITE);  in test_softdirty()
301 	ksft_test_result(!ret, "MADV_POPULATE_WRITE\n");  in test_softdirty()