1.1 --- a/src/os/bsd/vm/os_bsd.cpp Fri Oct 11 22:22:19 2013 -0400
1.2 +++ b/src/os/bsd/vm/os_bsd.cpp Sat Oct 12 13:09:18 2013 -0400
1.3 @@ -159,9 +159,21 @@
1.4 return Bsd::available_memory();
1.5 }
1.6
1.7 +// available here means free
1.8 julong os::Bsd::available_memory() {
1.9 - // XXXBSD: this is just a stopgap implementation
1.10 - return physical_memory() >> 2;
1.11 + uint64_t available = physical_memory() >> 2;
1.12 +#ifdef __APPLE__
1.13 + mach_msg_type_number_t count = HOST_VM_INFO64_COUNT;
1.14 + vm_statistics64_data_t vmstat;
1.15 + kern_return_t kerr = host_statistics64(mach_host_self(), HOST_VM_INFO64,
1.16 + (host_info64_t)&vmstat, &count);
1.17 + assert(kerr == KERN_SUCCESS,
1.18 + "host_statistics64 failed - check mach_host_self() and count");
1.19 + if (kerr == KERN_SUCCESS) {
1.20 + available = vmstat.free_count * os::vm_page_size();
1.21 + }
1.22 +#endif
1.23 + return available;
1.24 }
1.25
1.26 julong os::physical_memory() {
