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-rw-r--r--arch/ia64/sn/kernel/setup.c2
-rw-r--r--arch/ia64/sn/kernel/xpc_main.c4
-rw-r--r--arch/ia64/sn/kernel/xpnet.c4
3 files changed, 9 insertions, 1 deletions
diff --git a/arch/ia64/sn/kernel/setup.c b/arch/ia64/sn/kernel/setup.c
index a594aca959e6..14908ad7db8c 100644
--- a/arch/ia64/sn/kernel/setup.c
+++ b/arch/ia64/sn/kernel/setup.c
@@ -56,7 +56,7 @@
DEFINE_PER_CPU(struct pda_s, pda_percpu);
-#define MAX_PHYS_MEMORY (1UL << 49) /* 1 TB */
+#define MAX_PHYS_MEMORY (1UL << IA64_MAX_PHYS_BITS) /* Max physical address supported */
lboard_t *root_lboard[MAX_COMPACT_NODES];
diff --git a/arch/ia64/sn/kernel/xpc_main.c b/arch/ia64/sn/kernel/xpc_main.c
index bb1d5cf30440..ed7c21586e98 100644
--- a/arch/ia64/sn/kernel/xpc_main.c
+++ b/arch/ia64/sn/kernel/xpc_main.c
@@ -885,6 +885,10 @@ xpc_init(void)
pid_t pid;
+ if (!ia64_platform_is("sn2")) {
+ return -ENODEV;
+ }
+
/*
* xpc_remote_copy_buffer is used as a temporary buffer for bte_copy'ng
* both a partition's reserved page and its XPC variables. Its size was
diff --git a/arch/ia64/sn/kernel/xpnet.c b/arch/ia64/sn/kernel/xpnet.c
index 78c13d676fa6..d0c2c114a459 100644
--- a/arch/ia64/sn/kernel/xpnet.c
+++ b/arch/ia64/sn/kernel/xpnet.c
@@ -636,6 +636,10 @@ xpnet_init(void)
int result = -ENOMEM;
+ if (!ia64_platform_is("sn2")) {
+ return -ENODEV;
+ }
+
dev_info(xpnet, "registering network device %s\n", XPNET_DEVICE_NAME);
/*