#include <sys/mman.h>
#include <stdio.h>

#define KB 1024
#define MB (KB*KB)
#define GB (MB*KB)

int main(void) {
    int testMb;
    char *mem;
    long testHeap;

    for(testMb=1;testMb<2314;testMb++) {

       testHeap = MB*testMb;

       mem = (char*)mmap(0, testHeap, PROT_READ|PROT_WRITE,
                                      MAP_PRIVATE|MAP_ANON, -1, 0);
       if(mem == MAP_FAILED) {
           printf("Couldn't allocate the heap: %dMb\n",testMb);
           return 1;
       }

       munmap(mem, testHeap);
    }

    printf("test ok\n");
    return 0;
}