123 	void *map_ptr = mmap(ptr, map_size, PROT_WRITE, mapping, -1, 0);  in allocate_memory()  local
125 	if (!map_ptr) {  in allocate_memory()
129 	memset(map_ptr, data, map_size);  in allocate_memory()
130 	if (mprotect(map_ptr, map_size, prot)) {  in allocate_memory()
132 		munmap(map_ptr, map_size);  in allocate_memory()
136 	return map_ptr;  in allocate_memory()
244 	void *map_ptr;  in check_ksm_merge()  local
253 	map_ptr = allocate_memory(NULL, prot, mapping, '*', page_size * page_count);  in check_ksm_merge()
254 	if (!map_ptr)  in check_ksm_merge()
257 	if (ksm_merge_pages(map_ptr, page_size * page_count, start_time, timeout))  in check_ksm_merge()
263 		munmap(map_ptr, page_size * page_count);  in check_ksm_merge()
269 	munmap(map_ptr, page_size * page_count);  in check_ksm_merge()
275 	void *map_ptr;  in check_ksm_unmerge()  local
285 	map_ptr = allocate_memory(NULL, prot, mapping, '*', page_size * page_count);  in check_ksm_unmerge()
286 	if (!map_ptr)  in check_ksm_unmerge()
289 	if (ksm_merge_pages(map_ptr, page_size * page_count, start_time, timeout))  in check_ksm_unmerge()
293 	memset(map_ptr, '-', 1);  in check_ksm_unmerge()
294 	memset(map_ptr + page_size, '+', 1);  in check_ksm_unmerge()
303 		munmap(map_ptr, page_size * page_count);  in check_ksm_unmerge()
309 	munmap(map_ptr, page_size * page_count);  in check_ksm_unmerge()
316 	void *map_ptr;  in check_ksm_zero_page_merge()  local
328 	map_ptr = allocate_memory(NULL, prot, mapping, 0, page_size * page_count);  in check_ksm_zero_page_merge()
329 	if (!map_ptr)  in check_ksm_zero_page_merge()
332 	if (ksm_merge_pages(map_ptr, page_size * page_count, start_time, timeout))  in check_ksm_zero_page_merge()
348 	munmap(map_ptr, page_size * page_count);  in check_ksm_zero_page_merge()
353 	munmap(map_ptr, page_size * page_count);  in check_ksm_zero_page_merge()
421 	void *map_ptr;  in ksm_merge_time()  local
427 	map_ptr = allocate_memory(NULL, prot, mapping, '*', map_size);  in ksm_merge_time()
428 	if (!map_ptr)  in ksm_merge_time()
435 	if (ksm_merge_pages(map_ptr, map_size, start_time, timeout))  in ksm_merge_time()
451 	munmap(map_ptr, map_size);  in ksm_merge_time()
456 	munmap(map_ptr, map_size);  in ksm_merge_time()
462 	void *map_ptr;  in ksm_cow_time()  local
469 	map_ptr = allocate_memory(NULL, prot, mapping, '*', page_size * page_count);  in ksm_cow_time()
470 	if (!map_ptr)  in ksm_cow_time()
478 		memset(map_ptr + page_size * i, '-', 1);  in ksm_cow_time()
496 		memset(map_ptr + page_size * i, '+', i / 2 + 1);  in ksm_cow_time()
497 		memset(map_ptr + page_size * (i + 1), '+', i / 2 + 1);  in ksm_cow_time()
499 	if (ksm_merge_pages(map_ptr, page_size * page_count, start_time, timeout))  in ksm_cow_time()
507 		memset(map_ptr + page_size * i, '-', 1);  in ksm_cow_time()
522 	munmap(map_ptr, page_size * page_count);  in ksm_cow_time()
527 	munmap(map_ptr, page_size * page_count);  in ksm_cow_time()