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

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

int main(void) {
    size_t testMb;
    char *mem[33];
    size_t testHeap;
    size_t slize;

    for(testMb=2000;testMb<2314;testMb+=1) {
        for(slize=32;slize>0;slize--){

        size_t slizeSize=testMb/slize;
        testHeap = MB*slizeSize;
      
        int slizeNo;
        for(slizeNo=0;slizeNo<slize;slizeNo++){
          mem[slizeNo] = (char*)mmap(0, testHeap, PROT_READ|PROT_WRITE,
                                                  MAP_PRIVATE|MAP_ANON, -1, 0);
          if(mem[slizeNo] == MAP_FAILED) {
            printf("Couldn't allocate the heap: %dMb\n",testMb);
            printf("slize size = %dMb slize no= %d/%d\n",
                   slizeSize,slizeNo,slize);
            return 1;
          }
        }

        for(slizeNo=0;slizeNo<slize;slizeNo++)
          munmap(mem[slizeNo], testHeap);
        printf("%dMb allocated using slize size = %d*%dMb OK\n",
                testMb,slize,slizeSize);
      }
    }
    printf("test ok\n");
    return 0;
}