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Wed, 15 Jul 2026 07:36:58 -0700 (PDT) Sender: Deepak Rao Gaikwad From: deepakraog To: Shuah Khan , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kselftest@vger.kernel.org Subject: [PATCH 2/4] selftests/proc: expand smaps field coverage and require TMPFS Date: Wed, 15 Jul 2026 20:06:42 +0530 Message-ID: <20260715143646.15828-2-gaikwad.dcg@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260715143646.15828-1-gaikwad.dcg@gmail.com> References: <20260715143646.15828-1-gaikwad.dcg@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Gate the test on CONFIG_TMPFS in the selftest config file. Assert Private_Clean, Private_Dirty, Swap, and SwapPss fields are present in /proc/$PID/smaps output for the mapped executable page. Signed-off-by: deepakraog --- tools/testing/selftests/proc/config | 1 + tools/testing/selftests/proc/proc-pid-vm.c | 5 ++++- 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/proc/config b/tools/testing/selftests/proc/config index 68fbd2b35..7dfc3d381 100644 --- a/tools/testing/selftests/proc/config +++ b/tools/testing/selftests/proc/config @@ -1 +1,2 @@ CONFIG_PROC_FS=y +CONFIG_TMPFS=y diff --git a/tools/testing/selftests/proc/proc-pid-vm.c b/tools/testing/selftests/proc/proc-pid-vm.c index 4e6a3e53f..59535bb3a 100644 --- a/tools/testing/selftests/proc/proc-pid-vm.c +++ b/tools/testing/selftests/proc/proc-pid-vm.c @@ -20,7 +20,6 @@ * Test /proc/$PID/smaps_rollup * Test /proc/$PID/statm * - * FIXME require CONFIG_TMPFS which can be disabled * FIXME test other values from "smaps" * FIXME support other archs */ @@ -409,6 +408,10 @@ int main(void) "AnonHugePages: 0 kB\n", "Shared_Hugetlb: 0 kB\n", "Private_Hugetlb: 0 kB\n", + "Private_Clean: 4 kB\n", + "Private_Dirty: 0 kB\n", + "Swap: 0 kB\n", + "SwapPss: 0 kB\n", "Locked: 0 kB\n", }; int i; -- Deepak Rao Gaikwad