Lines Matching full:addr

40 void write_fault_pages(void *addr, unsigned long nr_pages)
45 		*((unsigned long *)(addr + (i * huge_page_size))) = i;
48 void read_fault_pages(void *addr, unsigned long nr_pages)
54 		FORCE_READ(((unsigned long *)(addr + (i * huge_page_size))));
61 	void *addr, *addr2;
89 	 * Test validity of MADV_DONTNEED addr and length arguments.  mmap
94 	addr = mmap(NULL, (NR_HUGE_PAGES + 2) * huge_page_size,
98 	if (addr == MAP_FAILED) {
102 	if (munmap(addr, huge_page_size) ||
103 			munmap(addr + (NR_HUGE_PAGES + 1) * huge_page_size,
108 	addr = addr + huge_page_size;
110 	write_fault_pages(addr, NR_HUGE_PAGES);
113 	/* addr before mapping should fail */
114 	ret = madvise(addr - base_page_size, NR_HUGE_PAGES * huge_page_size,
117 		printf("Unexpected success of madvise call with invalid addr line %d\n",
122 	/* addr + length after mapping should fail */
123 	ret = madvise(addr, (NR_HUGE_PAGES * huge_page_size) + base_page_size,
131 	(void)munmap(addr, NR_HUGE_PAGES * huge_page_size);
134 	 * Test alignment of MADV_DONTNEED addr and length arguments
136 	addr = mmap(NULL, NR_HUGE_PAGES * huge_page_size,
140 	if (addr == MAP_FAILED) {
144 	write_fault_pages(addr, NR_HUGE_PAGES);
147 	/* addr is not huge page size aligned and should fail */
148 	ret = madvise(addr + base_page_size,
157 	/* addr + length should be aligned down to huge page size */
158 	if (madvise(addr,
168 	(void)munmap(addr, NR_HUGE_PAGES * huge_page_size);
174 	addr = mmap(NULL, NR_HUGE_PAGES * huge_page_size,
178 	if (addr == MAP_FAILED) {
182 	write_fault_pages(addr, NR_HUGE_PAGES);
185 	if (madvise(addr, NR_HUGE_PAGES * huge_page_size, MADV_DONTNEED)) {
193 	(void)munmap(addr, NR_HUGE_PAGES * huge_page_size);
204 	addr = mmap(NULL, NR_HUGE_PAGES * huge_page_size,
207 	if (addr == MAP_FAILED) {
213 	read_fault_pages(addr, NR_HUGE_PAGES);
217 	if (madvise(addr, NR_HUGE_PAGES * huge_page_size, MADV_DONTNEED)) {
224 	write_fault_pages(addr, NR_HUGE_PAGES);
228 	if (madvise(addr, NR_HUGE_PAGES * huge_page_size, MADV_DONTNEED)) {
235 	write_fault_pages(addr, NR_HUGE_PAGES);
252 	(void)munmap(addr, NR_HUGE_PAGES * huge_page_size);
263 	addr = mmap(NULL, NR_HUGE_PAGES * huge_page_size,
266 	if (addr == MAP_FAILED) {
272 	write_fault_pages(addr, NR_HUGE_PAGES);
276 	if (madvise(addr, NR_HUGE_PAGES * huge_page_size, MADV_DONTNEED)) {
287 	if (madvise(addr, NR_HUGE_PAGES * huge_page_size, MADV_REMOVE)) {
292 	(void)munmap(addr, NR_HUGE_PAGES * huge_page_size);
303 	addr = mmap(NULL, NR_HUGE_PAGES * huge_page_size,
306 	if (addr == MAP_FAILED) {
312 	write_fault_pages(addr, NR_HUGE_PAGES);
332 	if (madvise(addr, NR_HUGE_PAGES * huge_page_size, MADV_DONTNEED)) {
354 	if (madvise(addr, NR_HUGE_PAGES * huge_page_size, MADV_REMOVE)) {
360 	(void)munmap(addr, NR_HUGE_PAGES * huge_page_size);