1 files changed, 8 insertions, 1 deletions

diff --git a/arch/powerpc/platforms/pseries/reconfig.c b/arch/powerpc/platforms/pseries/reconfig.c
index b6f1b137d427..2e2bbe120b90 100644
--- a/arch/powerpc/platforms/pseries/reconfig.c
+++ b/arch/powerpc/platforms/pseries/reconfig.c
@@ -20,6 +20,7 @@
 #include <asm/machdep.h>
 #include <asm/uaccess.h>
 #include <asm/pSeries_reconfig.h>
+#include <asm/mmu.h>
 
 
 
@@ -439,9 +440,15 @@ static int do_update_property(char *buf, size_t bufsize)
         if (!newprop)
                 return -ENOMEM;
 
+        if (!strcmp(name, "slb-size") || !strcmp(name, "ibm,slb-size"))
+                slb_set_size(*(int *)value);
+
         oldprop = of_find_property(np, name,NULL);
-        if (!oldprop)
+        if (!oldprop) {
+                if (strlen(name))
+                        return prom_add_property(np, newprop);
                 return -ENODEV;
+        }
 
         rc = prom_update_property(np, newprop, oldprop);
         if (rc)