tag	line	file	source code
SWP_USED	52	mm/page_io.c	if (!(p->flags & SWP_USED)) {
SWP_USED	136	mm/swapfile.c	if (!(p->flags & SWP_USED)) {
SWP_USED	353	mm/swapfile.c	p->flags = SWP_USED;
SWP_USED	406	mm/swapfile.c	if (!(p->flags & SWP_USED))
SWP_USED	412	mm/swapfile.c	p->flags = SWP_USED;