vma_wants_writenotify  872 include/linux/mm.h int vma_wants_writenotify(struct vm_area_struct *vma);
vma_wants_writenotify 1205 mm/mmap.c      	if (vma_wants_writenotify(vma))
vma_wants_writenotify  202 mm/mprotect.c  	if (vma_wants_writenotify(vma)) {