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-rw-r--r--Source/kwsys/SystemInformation.cxx3
1 files changed, 2 insertions, 1 deletions
diff --git a/Source/kwsys/SystemInformation.cxx b/Source/kwsys/SystemInformation.cxx
index 6c12355..f323efc 100644
--- a/Source/kwsys/SystemInformation.cxx
+++ b/Source/kwsys/SystemInformation.cxx
@@ -4424,7 +4424,8 @@ bool SystemInformationImplementation::ParseSysCtl()
&count) == KERN_SUCCESS) {
len = sizeof(value);
err = sysctlbyname("hw.pagesize", &value, &len, KWSYS_NULLPTR, 0);
- int64_t available_memory = vmstat.free_count * value;
+ int64_t available_memory =
+ (vmstat.free_count + vmstat.inactive_count) * value;
this->AvailablePhysicalMemory =
static_cast<size_t>(available_memory / 1048576);
}