tag	line	file	source code
MAX_PAGE_AGE	106	include/linux/swapctl.h	if (page->age < (MAX_PAGE_AGE - PAGE_ADVANCE))
MAX_PAGE_AGE	109	include/linux/swapctl.h	page->age = MAX_PAGE_AGE;
MAX_PAGE_AGE	73	mm/swap.c	&MAX_PAGE_AGE,