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8257746: Regression introduced with JDK-8250984 - memory might be nul…
…l in some machines

Backport-of: abc4300de9c7a298c359fb585d3b0570a98df5cb
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Harold Seigel committed Mar 3, 2021
1 parent d89a8cd commit 692b2bf430700a4bd58d15a795f1e5ee97fb050f
Showing with 4 additions and 4 deletions.
  1. +4 −4 src/java.base/linux/classes/jdk/internal/platform/cgroupv1/CgroupV1Subsystem.java
@@ -444,14 +444,14 @@ public long getTcpMemoryUsage() {
}

public long getMemoryAndSwapFailCount() {
if (!memory.isSwapEnabled()) {
if (memory != null && !memory.isSwapEnabled()) {
return getMemoryFailCount();
}
return getLongValue(memory, "memory.memsw.failcnt");
}

public long getMemoryAndSwapLimit() {
if (!memory.isSwapEnabled()) {
if (memory != null && !memory.isSwapEnabled()) {
return getMemoryLimit();
}
long retval = getLongValue(memory, "memory.memsw.limit_in_bytes");
@@ -469,14 +469,14 @@ public long getMemoryAndSwapLimit() {
}

public long getMemoryAndSwapMaxUsage() {
if (!memory.isSwapEnabled()) {
if (memory != null && !memory.isSwapEnabled()) {
return getMemoryMaxUsage();
}
return getLongValue(memory, "memory.memsw.max_usage_in_bytes");
}

public long getMemoryAndSwapUsage() {
if (!memory.isSwapEnabled()) {
if (memory != null && !memory.isSwapEnabled()) {
return getMemoryUsage();
}
return getLongValue(memory, "memory.memsw.usage_in_bytes");

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