free_unref_page 2907 arch/sparc/mm/init_64.c free_unref_page(page); free_unref_page 568 include/linux/gfp.h extern void free_unref_page(struct page *page); free_unref_page 4814 mm/page_alloc.c free_unref_page(page); free_unref_page 81 mm/swap.c free_unref_page(page);