util-linux-ipcs-shmax.patch

   1 --- util-linux-2.13-pre4/sys-utils/ipcs.c.shmax 2005-10-18 17:04:42.000000000 +0200
   2 +++ util-linux-2.13-pre4/sys-utils/ipcs.c       2005-10-18 17:31:28.000000000 +0200
   3 @@ -25,6 +25,7 @@
   4  #include <time.h>
   5  #include <pwd.h>
   6  #include <grp.h>
   7 +#include <unistd.h>
   8  #include "nls.h"
   9
  10  /* X/OPEN tells us to use <sys/{types,ipc,sem}.h> for semctl() */
  11 @@ -280,8 +280,14 @@
  12                         (unsigned long) shminfo.shmmni);
  13                 printf (_("max seg size (kbytes) = %lu\n"),
  14                         (unsigned long) (shminfo.shmmax >> 10));
  15 +
  16 +               /* max shmem = pagesize * shminfo.shmall / 1024
  17 +                *
  18 +                * note: that "shminfo.shmall * getpagesize()" is greater than ULONG_MAX (32bit)
  19 +                *       it means that better is "/" before "*" or use "long long"
  20 +                */
  21 -               printf (_("max total shared memory (pages) = %lu\n"),
  22 -                       (unsigned long) shminfo.shmall);
  23 +               printf (_("max total shared memory (kbytes) = %lu\n"),
  24 +                       getpagesize()/1024 * (unsigned long) shminfo.shmall);
  25                 printf (_("min seg size (bytes) = %lu\n"),
  26                         (unsigned long) shminfo.shmmin);
  27                 return;