site_archiver@lists.apple.com Delivered-To: darwin-kernel@lists.apple.com There's definitely something weird going on in your universe. I just compiled and ran this test program: #include <mach/vm_types.h> #include <mach/mach_types.h> #include <sys/types.h> unsigned long long GetFreeMem() { natural_t mac_pagesize; vm_statistics_data_t vm_stat; mach_port_t host_priv_port, host_port; mach_msg_type_number_t host_count; kern_return_t kern_error; unsigned long long FreeMem; // Get host machine information mach_port_t get_host_priv() { return(mach_host_self()); } mach_port_t get_host_port() { return(mach_host_self()); } // Get total system-wide memory usage structure host_priv_port = get_host_priv(); host_port = get_host_port(); host_count = sizeof(vm_stat)/sizeof(integer_t); kern_error = host_statistics(host_priv_port, HOST_VM_INFO, (host_info_t)&vm_stat, &host_count); if (kern_error != KERN_SUCCESS) { mach_error("host_info", kern_error); exit(1); } host_page_size(host_port, &mac_pagesize); FreeMem = ((unsigned long long) vm_stat.free_count) * mac_pagesize; FreeMem &= 0xFFFFFFFFFFFFFFC0ull; return(FreeMem); } main() { unsigned long long free = GetFreeMem(); On my dual 2 GHz G5: I have 4GB of RAM installed. $ gcc i.c [ harmless warnings from gcc deleted here ] $ ./a.out Free memory: 3573673984 bytes (3408 M) William Kucharski kucharsk@mac.com _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-kernel mailing list (Darwin-kernel@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-kernel/site_archiver%40lists.a... printf("Free memory: %llu bytes (%llu M)\n", free, free / (1024*1024)); } $ uname -a Darwin g5 8.1.0 Darwin Kernel Version 8.1.0: Tue May 10 18:16:08 PDT 2005; root:xnu-792.1.5.obj~4/RELEASE_PPC Power Macintosh powerpc $ gcc -v gcc -v Reading specs from /usr/lib/gcc/powerpc-apple-darwin8/4.0.0/specs Configured with: /private/var/tmp/gcc/gcc-4061.obj~8/src/configure -- disable-checking --prefix=/usr --mandir=/share/man --enable- languages=c,objc,c++,obj-c++ --program-transform-name=/^[cg][^+.-]*$/ s/$/-4.0/ --with-gxx-include-dir=/include/gcc/darwin/4.0/c++ -- build=powerpc-apple-darwin8 --host=powerpc-apple-darwin8 -- target=powerpc-apple-darwin8 Thread model: posix gcc version 4.0.0 20041026 (Apple Computer, Inc. build 4061) This email sent to site_archiver@lists.apple.com