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

int
main(int ac, char *av[])
{
    int64_t amount = atoll(av[1]);
    int touch = ac > 2 && atoi(av[2]) == 1;

    fork();

    printf("Allocating %lld bytes\n", amount);
    char * buffer = malloc(amount);
    if (buffer == NULL) {
        perror("malloc");
        exit(-1);
    }

    if (touch) {
        size_t i, pgsize = getpagesize();
        for (i = 0; i < amount; i += pgsize)
            buffer[i] = 0;
    }

    while (1)
        sleep(1);

    return 0;
}