mmap_region      1108 include/linux/mm.h extern unsigned long mmap_region(struct file *file, unsigned long addr,
mmap_region       198 mm/fremap.c    			addr = mmap_region(file, start, size,
mmap_region      1054 mm/mmap.c      	return mmap_region(file, addr, len, flags, vm_flags, pgoff,