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-rw-r--r--tools/testing/selftests/mm/vm_util.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/tools/testing/selftests/mm/vm_util.c b/tools/testing/selftests/mm/vm_util.c
index 5492e3f784df..1d434772fa54 100644
--- a/tools/testing/selftests/mm/vm_util.c
+++ b/tools/testing/selftests/mm/vm_util.c
@@ -524,3 +524,11 @@ int read_sysfs(const char *file_path, unsigned long *val)
return 0;
}
+
+void *sys_mremap(void *old_address, unsigned long old_size,
+ unsigned long new_size, int flags, void *new_address)
+{
+ return (void *)syscall(__NR_mremap, (unsigned long)old_address,
+ old_size, new_size, flags,
+ (unsigned long)new_address);
+}