[PATCH v2 1/2] mem: disable KSM smart scan for ksm tests

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This disables the "smart scan" KSM feature to make sure that the volatile
count remains at 0.

Signed-off-by: Stefan Roesch <shr@xxxxxxxxxxxx>

Reported-by: kernel test robot <oliver.sang@xxxxxxxxx>
Closes: https://lore.kernel.org/oe-lkp/202311161132.13d8ce5a-oliver.sang@xxxxxxxxx
---
 testcases/kernel/mem/ksm/ksm01.c | 2 ++
 testcases/kernel/mem/ksm/ksm02.c | 2 ++
 testcases/kernel/mem/ksm/ksm03.c | 2 ++
 testcases/kernel/mem/ksm/ksm04.c | 2 ++
 4 files changed, 8 insertions(+)

diff --git a/testcases/kernel/mem/ksm/ksm01.c b/testcases/kernel/mem/ksm/ksm01.c
index bcd095865..e2d3d9e00 100644
--- a/testcases/kernel/mem/ksm/ksm01.c
+++ b/testcases/kernel/mem/ksm/ksm01.c
@@ -86,6 +86,8 @@ static struct tst_test test = {
 			TST_SR_SKIP_MISSING | TST_SR_TCONF_RO},
 		{"/sys/kernel/mm/ksm/merge_across_nodes", "1",
 			TST_SR_SKIP_MISSING | TST_SR_TCONF_RO},
+		{"/sys/kernel/mm/ksm/smart_scan", "0",
+			TST_SR_SKIP_MISSING | TST_SR_TBROK_RO},
 		{}
 	},
 	.needs_kconfigs = (const char *const[]){
diff --git a/testcases/kernel/mem/ksm/ksm02.c b/testcases/kernel/mem/ksm/ksm02.c
index bce639dce..3707de95d 100644
--- a/testcases/kernel/mem/ksm/ksm02.c
+++ b/testcases/kernel/mem/ksm/ksm02.c
@@ -107,6 +107,8 @@ static struct tst_test test = {
 			TST_SR_SKIP_MISSING | TST_SR_TCONF_RO},
 		{"/sys/kernel/mm/ksm/merge_across_nodes", "1",
 			TST_SR_SKIP_MISSING | TST_SR_TCONF_RO},
+		{"/sys/kernel/mm/ksm/smart_scan", "0",
+			TST_SR_SKIP_MISSING | TST_SR_TBROK_RO},
 		{}
 	},
 	.needs_kconfigs = (const char *const[]){
diff --git a/testcases/kernel/mem/ksm/ksm03.c b/testcases/kernel/mem/ksm/ksm03.c
index 4a733269f..cff74700d 100644
--- a/testcases/kernel/mem/ksm/ksm03.c
+++ b/testcases/kernel/mem/ksm/ksm03.c
@@ -89,6 +89,8 @@ static struct tst_test test = {
 			TST_SR_SKIP_MISSING | TST_SR_TCONF_RO},
 		{"/sys/kernel/mm/ksm/merge_across_nodes", "1",
 			TST_SR_SKIP_MISSING | TST_SR_TCONF_RO},
+		{"/sys/kernel/mm/ksm/smart_scan", "0",
+			TST_SR_SKIP_MISSING | TST_SR_TBROK_RO},
 		{}
 	},
 	.needs_kconfigs = (const char *const[]){
diff --git a/testcases/kernel/mem/ksm/ksm04.c b/testcases/kernel/mem/ksm/ksm04.c
index 4f1f2f721..9935e32d7 100644
--- a/testcases/kernel/mem/ksm/ksm04.c
+++ b/testcases/kernel/mem/ksm/ksm04.c
@@ -109,6 +109,8 @@ static struct tst_test test = {
 			TST_SR_SKIP_MISSING | TST_SR_TCONF_RO},
 		{"/sys/kernel/mm/ksm/merge_across_nodes", "1",
 			TST_SR_SKIP_MISSING | TST_SR_TCONF_RO},
+		{"/sys/kernel/mm/ksm/smart_scan", "0",
+			TST_SR_SKIP_MISSING | TST_SR_TBROK_RO},
 		{}
 	},
 	.needs_kconfigs = (const char *const[]){
-- 
2.39.3





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