211 static void anon_allocate_area(void **alloc_area)  in anon_allocate_area()  argument
213 	*alloc_area = mmap(NULL, nr_pages * page_size, PROT_READ | PROT_WRITE,  in anon_allocate_area()
215 	if (*alloc_area == MAP_FAILED)  in anon_allocate_area()
231 static void hugetlb_allocate_area(void **alloc_area)  in hugetlb_allocate_area()  argument
236 	*alloc_area = mmap(NULL, nr_pages * page_size, PROT_READ | PROT_WRITE,  in hugetlb_allocate_area()
239 			   huge_fd, *alloc_area == area_src ? 0 :  in hugetlb_allocate_area()
241 	if (*alloc_area == MAP_FAILED)  in hugetlb_allocate_area()
247 				  huge_fd, *alloc_area == area_src ? 0 :  in hugetlb_allocate_area()
253 	if (*alloc_area == area_src) {  in hugetlb_allocate_area()
254 		huge_fd_off0 = *alloc_area;  in hugetlb_allocate_area()
282 static void shmem_allocate_area(void **alloc_area)  in shmem_allocate_area()  argument
285 	bool is_src = alloc_area == (void **)&area_src;  in shmem_allocate_area()
288 	*alloc_area = mmap(NULL, nr_pages * page_size, PROT_READ | PROT_WRITE,  in shmem_allocate_area()
290 	if (*alloc_area == MAP_FAILED)  in shmem_allocate_area()
311 	void (*allocate_area)(void **alloc_area);