{"id":2220085,"url":"http://patchwork.ozlabs.org/api/patches/2220085/?format=json","web_url":"http://patchwork.ozlabs.org/project/linuxppc-dev/patch/b7f12130daaa2c1c721cf06ff999b6439fb22c2e.1775466329.git.sayalip@linux.ibm.com/","project":{"id":2,"url":"http://patchwork.ozlabs.org/api/projects/2/?format=json","name":"Linux PPC development","link_name":"linuxppc-dev","list_id":"linuxppc-dev.lists.ozlabs.org","list_email":"linuxppc-dev@lists.ozlabs.org","web_url":"https://github.com/linuxppc/wiki/wiki","scm_url":"https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git","webscm_url":"https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/","list_archive_url":"https://lore.kernel.org/linuxppc-dev/","list_archive_url_format":"https://lore.kernel.org/linuxppc-dev/{}/","commit_url_format":"https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?id={}"},"msgid":"","list_archive_url":"https://lore.kernel.org/linuxppc-dev/b7f12130daaa2c1c721cf06ff999b6439fb22c2e.1775466329.git.sayalip@linux.ibm.com/","date":"2026-04-06T09:19:23","name":"[v4,04/15] selftests/mm: fix hugetlb pathname construction in hugetlb_reparenting_test.sh","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"5f40c2497a7193c1ae27dbe9ddfb88077e1435c7","submitter":{"id":92656,"url":"http://patchwork.ozlabs.org/api/people/92656/?format=json","name":"Sayali Patil","email":"sayalip@linux.ibm.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linuxppc-dev/patch/b7f12130daaa2c1c721cf06ff999b6439fb22c2e.1775466329.git.sayalip@linux.ibm.com/mbox/","series":[{"id":498833,"url":"http://patchwork.ozlabs.org/api/series/498833/?format=json","web_url":"http://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=498833","date":"2026-04-06T09:19:22","name":"selftests/mm: fix failures and robustness improvements","version":4,"mbox":"http://patchwork.ozlabs.org/series/498833/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2220085/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2220085/checks/","tags":{},"related":[],"headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linuxppc-dev@lists.ozlabs.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=ibm.com header.i=@ibm.com header.a=rsa-sha256\n header.s=pp1 header.b=DJrgnWAx;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org\n (client-ip=112.213.38.117; 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The\nscript formats the size only in MB units, which causes mismatches on\nsystems using larger huge pages where the kernel exposes normalized\nunits (e.g. \"1GB\" instead of \"1024MB\").\n\nAs a result, the test fails to locate the corresponding cgroup files\nwhen 1GB huge pages are configured.\n\nUpdate the script to detect the huge page size and select the\nappropriate unit (MB or GB) so that the constructed paths match the\nkernel's hugetlb controller naming.\n\nAlso print an explicit \"Fail\" message when a test failure occurs to\nimprove result visibility.\n\nFixes: e487a5d513cb (\"selftest/mm: make hugetlb_reparenting_test tolerant to async reparenting\")\nReviewed-by: Zi Yan \nAcked-by: David Hildenbrand (Arm) \nTested-by: Venkat Rao Bagalkote \nSigned-off-by: Sayali Patil \n---\n .../selftests/mm/hugetlb_reparenting_test.sh | 14 ++++++++++++--\n 1 file changed, 12 insertions(+), 2 deletions(-)","diff":"diff --git a/tools/testing/selftests/mm/hugetlb_reparenting_test.sh b/tools/testing/selftests/mm/hugetlb_reparenting_test.sh\nindex 7ddb370e1572..00f3f3cd8909 100755\n--- a/tools/testing/selftests/mm/hugetlb_reparenting_test.sh\n+++ b/tools/testing/selftests/mm/hugetlb_reparenting_test.sh\n@@ -48,6 +48,13 @@ function get_machine_hugepage_size() {\n }\n \n MB=$(get_machine_hugepage_size)\n+if (( MB >= 1024 )); then\n+ UNIT=\"GB\"\n+ MB_DISPLAY=$((MB / 1024))\n+else\n+ UNIT=\"MB\"\n+ MB_DISPLAY=$MB\n+fi\n \n function cleanup() {\n echo cleanup\n@@ -88,6 +95,7 @@ function assert_with_retry() {\n if [[ $elapsed -ge $timeout ]]; then\n echo \"actual = $((${actual%% *} / 1024 / 1024)) MB\"\n echo \"expected = $((${expected%% *} / 1024 / 1024)) MB\"\n+ echo FAIL\n cleanup\n exit 1\n fi\n@@ -108,11 +116,13 @@ function assert_state() {\n fi\n \n assert_with_retry \"$CGROUP_ROOT/a/memory.$usage_file\" \"$expected_a\"\n- assert_with_retry \"$CGROUP_ROOT/a/hugetlb.${MB}MB.$usage_file\" \"$expected_a_hugetlb\"\n+ assert_with_retry \\\n+\t \"$CGROUP_ROOT/a/hugetlb.${MB_DISPLAY}${UNIT}.$usage_file\" \"$expected_a_hugetlb\"\n \n if [[ -n \"$expected_b\" && -n \"$expected_b_hugetlb\" ]]; then\n assert_with_retry \"$CGROUP_ROOT/a/b/memory.$usage_file\" \"$expected_b\"\n- assert_with_retry \"$CGROUP_ROOT/a/b/hugetlb.${MB}MB.$usage_file\" \"$expected_b_hugetlb\"\n+ assert_with_retry \\\n+\t \"$CGROUP_ROOT/a/b/hugetlb.${MB_DISPLAY}${UNIT}.$usage_file\" \"$expected_b_hugetlb\"\n fi\n }\n \n","prefixes":["v4","04/15"]}