clear_page 27 arch/x86/include/asm/page.h clear_page(page); clear_page 37 arch/x86/include/asm/page_64.h void clear_page(void *page); clear_page 33 include/asm-generic/page.h #define clear_user_page(page, vaddr, pg) clear_page(page) clear_page 188 include/linux/highmem.h clear_page(kaddr);