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cgroup: Test that it's possible to set memory protection to 0 again
The previous commit fixes this up, and this should prevent it regressing.
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@ -39,7 +39,7 @@ static int test_default_memory_low(void) {
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* 1. dml-passthrough.slice sets MemoryLow=100. This should not affect its children, as only
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* DefaultMemoryLow is propagated, not MemoryLow. As such, all leaf services should end up with
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* memory.low as 50, inherited from dml.slice, *except* for dml-passthrough-set-ml.service, which
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* should have the value of 25, as it has MemoryLow explicitly set.
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* should have the value of 0, as it has MemoryLow explicitly set.
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*
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* ┌───────────┐
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* │ dml.slice │
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@ -49,7 +49,7 @@ static int test_default_memory_low(void) {
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* │ dml-passthrough.slice │
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* └───────────┬───────────┘
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* ┌───────────────────────────────────┼───────────────────────────────────┐
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* no new settings DefaultMemoryLow=15 MemoryLow=25
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* no new settings DefaultMemoryLow=15 MemoryLow=0
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* ┌───────────────┴───────────────┐ ┌────────────────┴────────────────┐ ┌───────────────┴────────────────┐
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* │ dml-passthrough-empty.service │ │ dml-passthrough-set-dml.service │ │ dml-passthrough-set-ml.service │
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* └───────────────────────────────┘ └─────────────────────────────────┘ └────────────────────────────────┘
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@ -122,7 +122,7 @@ static int test_default_memory_low(void) {
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assert_se(unit_get_ancestor_memory_low(dml_passthrough) == 100);
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assert_se(unit_get_ancestor_memory_low(dml_passthrough_empty) == dml_tree_default);
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assert_se(unit_get_ancestor_memory_low(dml_passthrough_set_dml) == 50);
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assert_se(unit_get_ancestor_memory_low(dml_passthrough_set_ml) == 25);
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assert_se(unit_get_ancestor_memory_low(dml_passthrough_set_ml) == 0);
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assert_se(unit_get_ancestor_memory_low(dml_override) == dml_tree_default);
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assert_se(unit_get_ancestor_memory_low(dml_override_empty) == 10);
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@ -5,4 +5,4 @@ Description=DML passthrough set ML service
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Slice=dml-passthrough.slice
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Type=oneshot
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ExecStart=/bin/true
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MemoryLow=25
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MemoryLow=0
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