[LTP] [PATCH v2] set_mempolicy: require CONFIG_NUMA

Avinesh Kumar avinesh.kumar@suse.com
Thu Jun 25 16:57:22 CEST 2026


From: Avinesh Kumar <avinesh.kumar@suse.com>

On kernels without CONFIG_NUMA=y set_mempolicy() returns ENOSYS,
which the test misreports as TFAIL.

set_mempolicy05 -

set_mempolicy05.c:105: TFAIL: set_mempolicy should fail with EFAULT or EINVAL, instead returned 38

remaining of these tests (set_mempolicy[01-04]) checks for minimum two
NUMA nodes and reports TCONF, but those also should exit on CONFIG_NUMA
check.

tse_numa.c:200: TINFO: Found 1 NUMA memory nodes
tse_numa.c:141: TINFO: File '/sys/devices/system/node/node0/meminfo' does not exist! NUMA not enabled?
get_mempolicy02.c:60: TCONF: test requires at least one NUMA memory node

Add .needs_kconfigs with CONFIG_NUMA=y

Signed-off-by: Avinesh Kumar <avinesh.kumar@suse.com>
---
 testcases/kernel/syscalls/set_mempolicy/set_mempolicy01.c | 4 ++++
 testcases/kernel/syscalls/set_mempolicy/set_mempolicy02.c | 4 ++++
 testcases/kernel/syscalls/set_mempolicy/set_mempolicy03.c | 4 ++++
 testcases/kernel/syscalls/set_mempolicy/set_mempolicy04.c | 4 ++++
 testcases/kernel/syscalls/set_mempolicy/set_mempolicy05.c | 4 ++++
 5 files changed, 20 insertions(+)

diff --git a/testcases/kernel/syscalls/set_mempolicy/set_mempolicy01.c b/testcases/kernel/syscalls/set_mempolicy/set_mempolicy01.c
index a85a56332..07836cc69 100644
--- a/testcases/kernel/syscalls/set_mempolicy/set_mempolicy01.c
+++ b/testcases/kernel/syscalls/set_mempolicy/set_mempolicy01.c
@@ -120,6 +120,10 @@ static struct tst_test test = {
 	.forks_child = 1,
 	.needs_checkpoints = 1,
 	.timeout = 600,
+	.needs_kconfigs = (const char *const[]){
+		"CONFIG_NUMA=y",
+		NULL
+	}
 };
 
 #else
diff --git a/testcases/kernel/syscalls/set_mempolicy/set_mempolicy02.c b/testcases/kernel/syscalls/set_mempolicy/set_mempolicy02.c
index 94d8aa336..d98f81545 100644
--- a/testcases/kernel/syscalls/set_mempolicy/set_mempolicy02.c
+++ b/testcases/kernel/syscalls/set_mempolicy/set_mempolicy02.c
@@ -109,6 +109,10 @@ static struct tst_test test = {
 	.tcnt = 2,
 	.forks_child = 1,
 	.needs_checkpoints = 1,
+	.needs_kconfigs = (const char *const[]){
+		"CONFIG_NUMA=y",
+		NULL
+	}
 };
 
 #else
diff --git a/testcases/kernel/syscalls/set_mempolicy/set_mempolicy03.c b/testcases/kernel/syscalls/set_mempolicy/set_mempolicy03.c
index bc5e03217..43e0439d4 100644
--- a/testcases/kernel/syscalls/set_mempolicy/set_mempolicy03.c
+++ b/testcases/kernel/syscalls/set_mempolicy/set_mempolicy03.c
@@ -103,6 +103,10 @@ static struct tst_test test = {
 	.mntpoint = MNTPOINT,
 	.forks_child = 1,
 	.needs_checkpoints = 1,
+	.needs_kconfigs = (const char *const[]){
+		"CONFIG_NUMA=y",
+		NULL
+	}
 };
 
 #else
diff --git a/testcases/kernel/syscalls/set_mempolicy/set_mempolicy04.c b/testcases/kernel/syscalls/set_mempolicy/set_mempolicy04.c
index 672232c84..fa88385ce 100644
--- a/testcases/kernel/syscalls/set_mempolicy/set_mempolicy04.c
+++ b/testcases/kernel/syscalls/set_mempolicy/set_mempolicy04.c
@@ -134,6 +134,10 @@ static struct tst_test test = {
 	.all_filesystems = 1,
 	.mntpoint = MNTPOINT,
 	.needs_checkpoints = 1,
+	.needs_kconfigs = (const char *const[]){
+		"CONFIG_NUMA=y",
+		NULL
+	}
 };
 
 #else
diff --git a/testcases/kernel/syscalls/set_mempolicy/set_mempolicy05.c b/testcases/kernel/syscalls/set_mempolicy/set_mempolicy05.c
index 65061bf3d..6c91beebc 100644
--- a/testcases/kernel/syscalls/set_mempolicy/set_mempolicy05.c
+++ b/testcases/kernel/syscalls/set_mempolicy/set_mempolicy05.c
@@ -115,6 +115,10 @@ static struct tst_test test = {
 		"ppc",
 		NULL
 	},
+	.needs_kconfigs = (const char *const[]){
+		"CONFIG_NUMA=y",
+		NULL
+	},
 	.tags = (const struct tst_tag[]) {
 		{"linux-git", "cf01fb9985e8"},
 		{"CVE", "CVE-2017-7616"},
-- 
2.54.0



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