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comparison src/os/linux/vm/os_linux.cpp @ 24233:8128b98d4736 jvmci-0.36

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Crash in rebuild_cpu_to_node_map (JDK-8165153)
author Doug Simon <doug.simon@oracle.com>
date Mon, 18 Sep 2017 18:02:23 +0200
parents 719853999215
children
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24232:9c85559fef58 24233:8128b98d4736
2857 // is a subject to change (in libnuma version 2 the requirements 2857 // is a subject to change (in libnuma version 2 the requirements
2858 // are more reasonable) we'll just hardcode the number they use 2858 // are more reasonable) we'll just hardcode the number they use
2859 // in the library. 2859 // in the library.
2860 const size_t BitsPerCLong = sizeof(long) * CHAR_BIT; 2860 const size_t BitsPerCLong = sizeof(long) * CHAR_BIT;
2861 2861
2862 size_t cpu_num = os::active_processor_count(); 2862 size_t cpu_num = processor_count();
2863 size_t cpu_map_size = NCPUS / BitsPerCLong; 2863 size_t cpu_map_size = NCPUS / BitsPerCLong;
2864 size_t cpu_map_valid_size = 2864 size_t cpu_map_valid_size =
2865 MIN2((cpu_num + BitsPerCLong - 1) / BitsPerCLong, cpu_map_size); 2865 MIN2((cpu_num + BitsPerCLong - 1) / BitsPerCLong, cpu_map_size);
2866 2866
2867 cpu_to_node()->clear(); 2867 cpu_to_node()->clear();