251 				struct kobj_attribute *attr, char *buf,  in double_flag_show()  argument
257 		return sprintf(buf, "[always] madvise never\n");  in double_flag_show()
259 		return sprintf(buf, "always [madvise] never\n");  in double_flag_show()
261 		return sprintf(buf, "always madvise [never]\n");  in double_flag_show()
265 				 const char *buf, size_t count,  in double_flag_store()  argument
269 	if (!memcmp("always", buf,  in double_flag_store()
273 	} else if (!memcmp("madvise", buf,  in double_flag_store()
277 	} else if (!memcmp("never", buf,  in double_flag_store()
288 			    struct kobj_attribute *attr, char *buf)  in enabled_show()  argument
290 	return double_flag_show(kobj, attr, buf,  in enabled_show()
296 			     const char *buf, size_t count)  in enabled_store()  argument
300 	ret = double_flag_store(kobj, attr, buf, count,  in enabled_store()
321 				struct kobj_attribute *attr, char *buf,  in single_flag_show()  argument
324 	return sprintf(buf, "%d\n",  in single_flag_show()
330 				 const char *buf, size_t count,  in single_flag_store()  argument
336 	ret = kstrtoul(buf, 10, &value);  in single_flag_store()
356 			   struct kobj_attribute *attr, char *buf)  in defrag_show()  argument
358 	return double_flag_show(kobj, attr, buf,  in defrag_show()
364 			    const char *buf, size_t count)  in defrag_store()  argument
366 	return double_flag_store(kobj, attr, buf, count,  in defrag_store()
374 		struct kobj_attribute *attr, char *buf)  in use_zero_page_show()  argument
376 	return single_flag_show(kobj, attr, buf,  in use_zero_page_show()
380 		struct kobj_attribute *attr, const char *buf, size_t count)  in use_zero_page_store()  argument
382 	return single_flag_store(kobj, attr, buf, count,  in use_zero_page_store()
389 				struct kobj_attribute *attr, char *buf)  in debug_cow_show()  argument
391 	return single_flag_show(kobj, attr, buf,  in debug_cow_show()
396 			       const char *buf, size_t count)  in debug_cow_store()  argument
398 	return single_flag_store(kobj, attr, buf, count,  in debug_cow_store()
421 					 char *buf)  in scan_sleep_millisecs_show()  argument
423 	return sprintf(buf, "%u\n", khugepaged_scan_sleep_millisecs);  in scan_sleep_millisecs_show()
428 					  const char *buf, size_t count)  in scan_sleep_millisecs_store()  argument
433 	err = kstrtoul(buf, 10, &msecs);  in scan_sleep_millisecs_store()
448 					  char *buf)  in alloc_sleep_millisecs_show()  argument
450 	return sprintf(buf, "%u\n", khugepaged_alloc_sleep_millisecs);  in alloc_sleep_millisecs_show()
455 					   const char *buf, size_t count)  in alloc_sleep_millisecs_store()  argument
460 	err = kstrtoul(buf, 10, &msecs);  in alloc_sleep_millisecs_store()
475 				  char *buf)  in pages_to_scan_show()  argument
477 	return sprintf(buf, "%u\n", khugepaged_pages_to_scan);  in pages_to_scan_show()
481 				   const char *buf, size_t count)  in pages_to_scan_store()  argument
486 	err = kstrtoul(buf, 10, &pages);  in pages_to_scan_store()
500 				    char *buf)  in pages_collapsed_show()  argument
502 	return sprintf(buf, "%u\n", khugepaged_pages_collapsed);  in pages_collapsed_show()
509 			       char *buf)  in full_scans_show()  argument
511 	return sprintf(buf, "%u\n", khugepaged_full_scans);  in full_scans_show()
517 				      struct kobj_attribute *attr, char *buf)  in khugepaged_defrag_show()  argument
519 	return single_flag_show(kobj, attr, buf,  in khugepaged_defrag_show()
524 				       const char *buf, size_t count)  in khugepaged_defrag_store()  argument
526 	return single_flag_store(kobj, attr, buf, count,  in khugepaged_defrag_store()
543 					     char *buf)  in khugepaged_max_ptes_none_show()  argument
545 	return sprintf(buf, "%u\n", khugepaged_max_ptes_none);  in khugepaged_max_ptes_none_show()
549 					      const char *buf, size_t count)  in khugepaged_max_ptes_none_store()  argument
554 	err = kstrtoul(buf, 10, &max_ptes_none);  in khugepaged_max_ptes_none_store()