diff --git a/numactl-fix-for-ppc64.patch b/numactl-fix-for-ppc64.patch
new file mode 100644
index 0000000..d227fa1
--- /dev/null
+++ b/numactl-fix-for-ppc64.patch
@@ -0,0 +1,136 @@
+From: Bernhard Walle <bwalle@suse.de>
+Subject: [PATCH] Fix "memset fails with 'mbind: Invalid argument'" on PPC64
+References: bnc #455977
+
+Backport of
+https://bugzilla.novell.com/attachment.cgi?id=264645
+
+
+Signed-off-by: Bernhard Walle <bwalle@suse.de>
+
+---
+ libnuma.c |   56 +++++++++++++++++++++++++++++++++++++++++++++-----------
+ numaint.h |    1 +
+ 2 files changed, 46 insertions(+), 11 deletions(-)
+
+--- a/libnuma.c
++++ b/libnuma.c
+@@ -69,12 +69,37 @@ static int maxprocnode = -1;
+ static int maxproccpu = -1;
+ static int nodemask_sz = 0;
+ static int cpumask_sz = 0;
++static int is_bigendian_64;
+ 
+ int numa_exit_on_error = 0;
+ int numa_exit_on_warn = 0;
+ static void set_sizes(void);
+ 
+ /*
++ * return 1 if this machine is big-endian 64-bit
++ */
++int
++big_endian64()
++{
++	union {
++		struct {
++			int a;
++			int b;
++		} ints;
++		struct {
++			long a;
++		} lng;
++	} ua;
++	if (sizeof(long) != 8)
++		return 0;
++	ua.ints.a = 0;
++	ua.ints.b = 3;
++	if (ua.lng.a == 3)
++		return 1;
++	return 0;
++}
++
++/*
+  * There are two special functions, _init(void) and _fini(void), which
+  * are called automatically by the dynamic loader whenever a library is loaded.
+  *
+@@ -91,6 +116,7 @@ numa_init(void)
+         for (i = 0; i < max; i++)
+                 nodemask_set_compat((nodemask_t *)&numa_all_nodes, i);
+ 	memset(&numa_no_nodes, 0, sizeof(numa_no_nodes));
++	is_bigendian_64 = big_endian64();
+ }
+ 
+ /*
+@@ -103,10 +129,18 @@ numa_init(void)
+ static unsigned int
+ _getbit(const struct bitmask *bmp, unsigned int n)
+ {
+-	if (n < bmp->size)
+-		return (bmp->maskp[n/bitsperlong] >> (n % bitsperlong)) & 1;
+-	else
+-		return 0;
++	unsigned long *ip;
++
++        if (n < bmp->size) {
++		if (is_bigendian_64) {
++			ip = bmp->maskp;
++                	return (ip[n/bitsperlong] >>
++				(n % bitsperlong)) & 1;
++		} else
++                	return (bmp->maskp[n/bitsperlong] >>
++				(n % bitsperlong)) & 1;
++        } else
++                return 0;
+ }
+ 
+ static void
+@@ -372,10 +406,10 @@ read_mask(char *s, struct bitmask *bmp)
+ {
+ 	char *end = s;
+ 	char *prevend;
+-	unsigned int *start = (unsigned int *)bmp->maskp;
+-	unsigned int *p = start;
+-	unsigned int *q;
+-	unsigned int i;
++	unsigned long *start = (unsigned long *)bmp->maskp;
++	unsigned long *p = start;
++	unsigned long *q;
++	unsigned long i;
+ 	unsigned int n = 0;
+ 
+ 	i = strtoul(s, &end, 16);
+@@ -404,21 +438,21 @@ read_mask(char *s, struct bitmask *bmp)
+ 	 * is the highest and we put it first because we read it first.
+ 	 */
+ 	for (q = start + n, p = start; p < q; q--, p++) {
+-		unsigned int x = *q;
++		unsigned long x = *q;
+ 
+ 		*q = *p;
+ 		*p = x;
+ 	}
+ 
+ 	/* Poor mans fls() */
+-	for(i = 31; i >= 0; i--)
++	for(i = sizeof(unsigned long)*8 - 1; i >= 0; i--)
+ 		if (test_bit(i, start + n))
+ 			break;
+ 
+ 	/*
+ 	 * Return the last bit set
+ 	 */
+-	return ((sizeof(unsigned int)*8) * n) + i;
++	return ((sizeof(unsigned long)*8) * n) + i;
+ }
+ 
+ /*
+--- a/numaint.h
++++ b/numaint.h
+@@ -32,6 +32,7 @@ enum numa_warn {
+ }; 
+ 
+ #define howmany(x,y) (((x)+((y)-1))/(y))
++#define bitsperint  (8 * sizeof(unsigned int))
+ #define bitsperlong (8 * sizeof(unsigned long))
+ #define longsperbits(n) howmany(n, bitsperlong)
+ #define bytesperbits(x) ((x+7)/8)
diff --git a/numactl.changes b/numactl.changes
index 95da7b0..88f849a 100644
--- a/numactl.changes
+++ b/numactl.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Tue Jan 13 09:48:27 CET 2009 - bwalle@suse.de
+
+- Fix "memset fails with 'mbind: Invalid argument'" on PPC64
+  (bnc #455977).
+
 -------------------------------------------------------------------
 Mon Dec  8 16:46:29 CET 2008 - kukuk@suse.de
 
diff --git a/numactl.spec b/numactl.spec
index 9dc39f1..d0f49e5 100644
--- a/numactl.spec
+++ b/numactl.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package numactl (Version 2.0.2)
 #
-# Copyright (c) 2008 SUSE LINUX Products GmbH, Nuernberg, Germany.
+# Copyright (c) 2009 SUSE LINUX Products GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -23,7 +23,7 @@ Name:           numactl
 License:        GPL v2 only; GPL v2 or later
 Summary:        NUMA Policy Control
 Version:        2.0.2
-Release:        19
+Release:        21
 AutoReqProv:    on
 Source:         numactl-%{version}.tar.bz2
 Group:          System/Management
@@ -31,6 +31,7 @@ BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 ExclusiveArch:  ia64 x86_64 ppc64 ppc
 Requires:       perl
 Patch0:         %{name}-compat.diff
+Patch1:         %{name}-fix-for-ppc64.patch
 
 %description
 Control NUMA policy for individual processes. Offer libnuma for
@@ -81,6 +82,9 @@ Authors:
 %prep
 %setup
 %patch0 -p1
+%ifarch ppc ppc64
+%patch1 -p1
+%endif
 
 %build
 make CFLAGS="${RPM_OPT_FLAGS}"
@@ -120,6 +124,9 @@ rm -rf $RPM_BUILD_ROOT
 %{_libdir}/lib*so
 
 %changelog
+* Tue Jan 13 2009 bwalle@suse.de
+- Fix "memset fails with 'mbind: Invalid argument'" on PPC64
+  (bnc #455977).
 * Mon Dec 08 2008 kukuk@suse.de
 - Fix baselibs.conf
 * Fri Dec 05 2008 bwalle@suse.de