// 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 BIT_ULL(4)
#define MEM_ALL (MEM_ANON | MEM_SHMEM | MEM_SHMEM_PRIVATE | \
MEM_HUGETLB | MEM_HUGETLB_PRIVATE)
#define ALIGN_UP(x, align_to) \
((__typeof__(x))((((unsigned long)(x)) + ((align_to)-1)) & ~((align_to)-1)))
struct mem_type {
const char *name;
unsigned int mem_flag;
uffd_test_ops_t *mem_ops;
bool shared;
};
typedef struct 