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8284950: CgroupV1 detection code should consider memory.swappiness

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Reviewed-by: sgehwolf, iklam
This commit is contained in:
bobpengxie 2022-05-16 06:40:54 +00:00 • committed by Jie Fu
parent e2448cee57
commit 46d208fb1c
4 changed files with 142 additions and 5 deletions
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5
src/java.base/linux/classes/jdk/internal/platform/cgroupv1/CgroupV1Subsystem.java
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@ -150,8 +150,9 @@ public class CgroupV1Subsystem implements CgroupSubsystem, CgroupV1Metrics {
}
private static boolean getSwapEnabled(CgroupV1MemorySubSystemController controller) {
long retval = getLongValue(controller, "memory.memsw.limit_in_bytes");
return retval > 0;
long memswBytes = getLongValue(controller, "memory.memsw.limit_in_bytes");
long swappiness = getLongValue(controller, "memory.swappiness");
return (memswBytes > 0 && swappiness > 0);
}