28 static size_t pagesize;  variable
35 	addr = mmap(0, pagesize, PROT_READ | PROT_WRITE,  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()
104 	ret = munmap(addr + pagesize, pagesize);  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()
142 	for (; size > 0 && ret; size -= pagesize, start += pagesize)  in range_is_populated()
156 	for (; size > 0 && ret; size -= pagesize, start += pagesize)  in range_is_not_populated()
214 	for (; size > 0 && ret; size -= pagesize, start += pagesize)  in range_is_softdirty()
228 	for (; size > 0 && ret; size -= pagesize, start += pagesize)  in range_is_not_softdirty()
289 	pagesize = getpagesize();  in main()