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cgroup: Test that it's possible to set memory protection to 0 again

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The previous commit fixes this up, and this should prevent it
regressing.
This commit is contained in:
Chris Down 2019-05-03 08:40:11 -04:00
parent 22bf131be2
commit 465ace74d9
2 changed files with 4 additions and 4 deletions
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6
src/test/test-cgroup-unit-default.c
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@ -39,7 +39,7 @@ static int test_default_memory_low(void) {
* 1. dml-passthrough.slice sets MemoryLow=100. This should not affect its children, as only * 1. dml-passthrough.slice sets MemoryLow=100. This should not affect its children, as only
* DefaultMemoryLow is propagated, not MemoryLow. As such, all leaf services should end up with * DefaultMemoryLow is propagated, not MemoryLow. As such, all leaf services should end up with
* memory.low as 50, inherited from dml.slice, *except* for dml-passthrough-set-ml.service, which * memory.low as 50, inherited from dml.slice, *except* for dml-passthrough-set-ml.service, which
* should have the value of 25, as it has MemoryLow explicitly set. * should have the value of 0, as it has MemoryLow explicitly set.
* *
* ┌───────────┐ * ┌───────────┐
* │ dml.slice │ * │ dml.slice │
@ -49,7 +49,7 @@ static int test_default_memory_low(void) {
* │ dml-passthrough.slice │ * │ dml-passthrough.slice │
* └───────────┬───────────┘ * └───────────┬───────────┘
* ┌───────────────────────────────────┼───────────────────────────────────┐ * ┌───────────────────────────────────┼───────────────────────────────────┐
* no new settings DefaultMemoryLow=15 MemoryLow=25 * no new settings DefaultMemoryLow=15 MemoryLow=0
* ┌───────────────┴───────────────┐ ┌────────────────┴────────────────┐ ┌───────────────┴────────────────┐ * ┌───────────────┴───────────────┐ ┌────────────────┴────────────────┐ ┌───────────────┴────────────────┐
* │ dml-passthrough-empty.service │ │ dml-passthrough-set-dml.service │ │ dml-passthrough-set-ml.service │ * │ dml-passthrough-empty.service │ │ dml-passthrough-set-dml.service │ │ dml-passthrough-set-ml.service │
* └───────────────────────────────┘ └─────────────────────────────────┘ └────────────────────────────────┘ * └───────────────────────────────┘ └─────────────────────────────────┘ └────────────────────────────────┘
@ -122,7 +122,7 @@ static int test_default_memory_low(void) {
assert_se(unit_get_ancestor_memory_low(dml_passthrough) == 100); assert_se(unit_get_ancestor_memory_low(dml_passthrough) == 100);
assert_se(unit_get_ancestor_memory_low(dml_passthrough_empty) == dml_tree_default); assert_se(unit_get_ancestor_memory_low(dml_passthrough_empty) == dml_tree_default);
assert_se(unit_get_ancestor_memory_low(dml_passthrough_set_dml) == 50); assert_se(unit_get_ancestor_memory_low(dml_passthrough_set_dml) == 50);
assert_se(unit_get_ancestor_memory_low(dml_passthrough_set_ml) == 25); assert_se(unit_get_ancestor_memory_low(dml_passthrough_set_ml) == 0);
assert_se(unit_get_ancestor_memory_low(dml_override) == dml_tree_default); assert_se(unit_get_ancestor_memory_low(dml_override) == dml_tree_default);
assert_se(unit_get_ancestor_memory_low(dml_override_empty) == 10); assert_se(unit_get_ancestor_memory_low(dml_override_empty) == 10);

2
test/dml-passthrough-set-ml.service
View File

@ -5,4 +5,4 @@ Description=DML passthrough set ML service
Slice=dml-passthrough.slice Slice=dml-passthrough.slice
Type=oneshot Type=oneshot
ExecStart=/bin/true ExecStart=/bin/true
MemoryLow=25 MemoryLow=0