linux-master/mm/mlock.c

61 static struct lruvec *__mlock_folio(struct folio *folio, struct lruvec *lruvec)
65 		return lruvec;
67 	lruvec = folio_lruvec_relock_irq(folio, lruvec);
76 			lruvec_del_folio(lruvec, folio);
78 			lruvec_add_folio(lruvec, folio);
92 	lruvec_del_folio(lruvec, folio);
96 	lruvec_add_folio(lruvec, folio);
100 	return lruvec;
103 static struct lruvec *__mlock_new_folio(struct folio *folio, struct lruvec *lruvec)
107 	lruvec = folio_lruvec_relock_irq(folio, lruvec);
117 	lruvec_add_folio(lruvec, folio);
119 	return lruvec;
122 static struct lruvec *__munlock_folio(struct folio *folio, struct lruvec *lruvec)
131 	lruvec = folio_lruvec_relock_irq(folio, lruvec);
153 		lruvec_del_folio(lruvec, folio);
155 		lruvec_add_folio(lruvec, folio);
161 	return lruvec;
188 	struct lruvec *lruvec = NULL;
200 			lruvec = __mlock_folio(folio, lruvec);
202 			lruvec = __mlock_new_folio(folio, lruvec);
204 			lruvec = __munlock_folio(folio, lruvec);
207 	if (lruvec)
208 		unlock_page_lruvec_irq(lruvec);