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15 lines
400 B
C
15 lines
400 B
C
#include <stdio.h>
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#include <unistd.h>
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static unsigned long long get_available_mem(){
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return sysconf(_SC_AVPHYS_PAGES) * (unsigned long long) sysconf(_SC_PAGE_SIZE);
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}
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int main(){
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unsigned long long m = get_available_mem();
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printf("MEM: %llu == %lluGB\n", m, m/1024/1024/1024);
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return 0;
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}
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// Never allocate memory by big pieces with malloc! Only mmap with MAP_POPULATE!!!!!!!!!11111111111
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