extra_pins 2663 mm/huge_memory.c int extra_pins; extra_pins 2667 mm/huge_memory.c extra_pins = PageSwapCache(page) ? HPAGE_PMD_NR : 0; extra_pins 2669 mm/huge_memory.c extra_pins = HPAGE_PMD_NR; extra_pins 2671 mm/huge_memory.c *pextra_pins = extra_pins; extra_pins 2672 mm/huge_memory.c return total_mapcount(page) == page_count(page) - extra_pins - 1; extra_pins 2701 mm/huge_memory.c int count, mapcount, extra_pins, ret; extra_pins 2756 mm/huge_memory.c if (!can_split_huge_page(head, &extra_pins)) { extra_pins 2788 mm/huge_memory.c if (!mapcount && page_ref_freeze(head, 1 + extra_pins)) {