diff -up util-linux-2.21-rc1/sys-utils/ipcs.c.kzak util-linux-2.21-rc1/sys-utils/ipcs.c

--- util-linux-2.21-rc1/sys-utils/ipcs.c.kzak	2012-01-19 13:31:26.328579820 +0100

+++ util-linux-2.21-rc1/sys-utils/ipcs.c	2012-01-19 13:33:40.968066006 +0100

@@ -262,6 +262,27 @@ static void print_perms (int id, struct

		printf(" %-10u\n", ipcp->gid);

 }

+static unsigned long long

+shminfo_from_proc(const char *name, unsigned long def)

+{

+	char path[256];

+	char buf[64];

+	FILE *f;

+	unsigned long long res = def;

+

+	if (!name)

+		return res;

+

+	snprintf(path, sizeof(path), "/proc/sys/kernel/%s", name);

+

+	if (!(f = fopen(path, "r")))

+		return res;

+	if (fgets(buf, sizeof(buf), f))

+		res = atoll(buf);

+	fclose(f);

+	return res;

+}

+

 void do_shm (char format)

 {

	int maxid, shmid, id;

@@ -286,12 +307,12 @@ void do_shm (char format)

		 * glibc 2.1.3 and all earlier libc's have ints as fields of

		 * struct shminfo; glibc 2.1.91 has unsigned long; ach

		 */

-		printf (_("max number of segments = %lu\n"),

-			(unsigned long) shminfo.shmmni);

-		printf (_("max seg size (kbytes) = %lu\n"),

-			(unsigned long) (shminfo.shmmax >> 10));

+		printf (_("max number of segments = %llu\n"),

+			shminfo_from_proc("shmmni", shminfo.shmmni));

+		printf (_("max seg size (kbytes) = %llu\n"),

+			(shminfo_from_proc("shmmax", shminfo.shmmax) >> 10));

		printf (_("max total shared memory (kbytes) = %llu\n"),

-			getpagesize() / 1024 * (unsigned long long) shminfo.shmall);

+			getpagesize() / 1024 * shminfo_from_proc("shmall", shminfo.shmall));

		printf (_("min seg size (bytes) = %lu\n"),

			(unsigned long) shminfo.shmmin);

		return;