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8357570: [macOS] os::Bsd::available_memory() might return too low values #25657

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8357570: [macOS] os::Bsd::available_memory() might return too low values #25657

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3 changes: 2 additions & 1 deletion src/hotspot/os/bsd/os_bsd.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -154,7 +154,8 @@ julong os::Bsd::available_memory() {
assert(kerr == KERN_SUCCESS,
"host_statistics64 failed - check mach_host_self() and count");
if (kerr == KERN_SUCCESS) {
available = vmstat.free_count * os::vm_page_size();
// free_count is just a lowerbound, other page categories can be freed too and make memory available
available = (vmstat.free_count + vmstat.inactive_count + vmstat.purgeable_count) * os::vm_page_size();
}
#endif
return available;
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