linux-kernel - [PATCH] selftests/mm: run_vmtests.sh: fix relative path handling

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Message-ID: <20260108031604.12379-1-sun.jian.kdev@gmail.com>
Date: Thu,  8 Jan 2026 11:16:04 +0800
From: Sun Jian <sun.jian.kdev@...il.com>
To: Shuah Khan <shuah@...nel.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>,
	David Hildenbrand <david@...nel.org>,
	linux-kselftest@...r.kernel.org,
	linux-mm@...ck.org,
	linux-kernel@...r.kernel.org,
	Sun Jian <sun.jian.kdev@...il.com>
Subject: [PATCH] selftests/mm: run_vmtests.sh: fix relative path handling

run_vmtests.sh relies on being invoked from its own directory and uses
relative paths to run tests.

Change to the script directory at startup so it can be run from any
working directory without failing.

Signed-off-by: Sun Jian <sun.jian.kdev@...il.com>
---
 tools/testing/selftests/mm/run_vmtests.sh | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tools/testing/selftests/mm/run_vmtests.sh b/tools/testing/selftests/mm/run_vmtests.sh
index d9173f2312b7..74c33fd07764 100755
--- a/tools/testing/selftests/mm/run_vmtests.sh
+++ b/tools/testing/selftests/mm/run_vmtests.sh
@@ -5,6 +5,10 @@
 # Kselftest framework requirement - SKIP code is 4.
 ksft_skip=4
 
+# Ensure relative paths work regardless of caller's cwd.
+SCRIPT_DIR=$(CDPATH= cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)
+cd "$SCRIPT_DIR" || exit 1
+
 count_total=0
 count_pass=0
 count_fail=0
-- 
2.43.0