Test

test.c

#include <stdio.h>
#include <stdlib.h>

int main(int argc, char *argv[])
{
    char *buf = NULL, *p = NULL;
    unsigned long i, page_size = 4096, offset = 0, buf_size = 1UL << 10UL;

    setbuf(stdout, NULL);

    printf("Call a malloc: %p\n", buf);
    buf = malloc(buf_size);
    printf("Hello World: %p\n", buf);

    for (i = 0; i < (buf_size / page_size); i++) {
        offset = page_size * i;
        p = buf + offset;
        *p = i;
    }

    free(buf);

    return 0;
}