path: root/tools/testing/selftests/mm/uffd-unit-tests.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Userfaultfd unit tests.
 *
 *  Copyright (C) 2015-2023  Red Hat, Inc.
 */

#include <asm-generic/unistd.h>
#include "uffd-common.h"

#include "../../../../mm/gup_test.h"

/* The unit test doesn't need a large or random size, make it 32MB for now */
#define  UFFD_TEST_MEM_SIZE               (32UL << 20)

#define  MEM_ANON                         BIT_ULL(0)
#define  MEM_SHMEM                        BIT_ULL(1)
#define  MEM_SHMEM_PRIVATE                BIT_ULL(2)
#define  MEM_HUGETLB                      BIT_ULL(3)
#define  MEM_HUGETLB_PRIVATE