__do_munmap      2349 include/linux/mm.h extern int __do_munmap(struct mm_struct *, unsigned long, size_t,
__do_munmap       249 mm/mmap.c      		ret = __do_munmap(mm, newbrk, oldbrk-newbrk, &uf, true);
__do_munmap      2846 mm/mmap.c      	return __do_munmap(mm, start, len, uf, false);
__do_munmap      2858 mm/mmap.c      	ret = __do_munmap(mm, start, len, &uf, downgrade);
__do_munmap       659 mm/mremap.c    		retval = __do_munmap(mm, addr+new_len, old_len - new_len,