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-rw-r--r--test/syscalls/linux/statfs.cc1
1 files changed, 1 insertions, 0 deletions
diff --git a/test/syscalls/linux/statfs.cc b/test/syscalls/linux/statfs.cc
index 1fc9758c9..e1e7fc707 100644
--- a/test/syscalls/linux/statfs.cc
+++ b/test/syscalls/linux/statfs.cc
@@ -49,6 +49,7 @@ TEST(StatfsTest, NameLen) {
struct statfs st;
EXPECT_THAT(statfs("/dev/shm", &st), SyscallSucceeds());
+ // This assumes that /dev/shm is tmpfs.
EXPECT_EQ(st.f_namelen, NAME_MAX);
}