8165153: Crash in rebuild_cpu_to_node_map
Summary: use processor_count(), not active_processor_count() to determine physical number of CPUs
Reviewed-by: rehn, cjplummer
--- a/hotspot/src/os/linux/vm/os_linux.cpp Wed Sep 07 12:52:20 2016 -0400
+++ b/hotspot/src/os/linux/vm/os_linux.cpp Wed Sep 07 16:43:32 2016 -0400
@@ -2875,7 +2875,7 @@
// in the library.
const size_t BitsPerCLong = sizeof(long) * CHAR_BIT;
- size_t cpu_num = os::active_processor_count();
+ size_t cpu_num = processor_count();
size_t cpu_map_size = NCPUS / BitsPerCLong;
size_t cpu_map_valid_size =
MIN2((cpu_num + BitsPerCLong - 1) / BitsPerCLong, cpu_map_size);