In defense of swap: common misconceptions (2018)(chrisdown.name)

  // gcc -std=c99 -Wall -Wextra -Werror -g -o eatmem eatmem.c
  #include <stdio.h>
  #include <stdlib.h>
  #include <string.h>
  #include <unistd.h>
  
  int main(int argc, char** argv)
  {
      int limit = 123456789;
      if (argc >= 2) limit = atoi(argv[1]);
      setbuf(stdout, NULL);
      for (int i = 1; i <= limit; i++) {
          memset(malloc(1 << 20), 1, 1 << 20);
          printf("\rAllocated %5d MiB.", i);
      }
      sleep(10000);
      return 0;
  }

  $ gcc -std=c99 -Wall -Wextra -Werror -g -o eatmem eatmem.c
  $ ./eatmem
  Allocated 31118 MiB.Killed
  $ ./eatmem 31110
  Allocated 31110 MiB.