128 	void *src_addr = NULL;  in get_source_mapping()  local
138 	src_addr = mmap((void *) addr, c.region_size, PROT_READ | PROT_WRITE,  in get_source_mapping()
141 	if (src_addr == MAP_FAILED) {  in get_source_mapping()
154 	if (((unsigned long long) src_addr & (c.src_alignment - 1)) ||  in get_source_mapping()
155 			!((unsigned long long) src_addr & c.src_alignment)) {  in get_source_mapping()
156 		munmap(src_addr, c.region_size);  in get_source_mapping()
160 	if (!src_addr)  in get_source_mapping()
163 	return src_addr;  in get_source_mapping()
174 	void *addr, *src_addr, *dest_addr;  in remap_region()  local
185 	src_addr = get_source_mapping(c);  in remap_region()
186 	if (!src_addr) {  in remap_region()
194 		memset((char *) src_addr + i, (char) rand(), 1);  in remap_region()
200 	addr = (void *) (((unsigned long long) src_addr + c.region_size  in remap_region()
219 	dest_addr = mremap(src_addr, c.region_size, c.region_size,  in remap_region()
257 	munmap(src_addr, c.region_size);  in remap_region()