sgi-xp: define xp_expand_memprotect() and xp_restrict_memprotect()

Define xp_expand_memprotect() and xp_restrict_memprotect() so they can be
tailered to the hardware they are run on.

Signed-off-by: Dean Nelson <dcn@sgi.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/misc/sgi-xp/xp_main.c b/drivers/misc/sgi-xp/xp_main.c
index 66a1d19e08ad..9a2e77172d94 100644
--- a/drivers/misc/sgi-xp/xp_main.c
+++ b/drivers/misc/sgi-xp/xp_main.c
@@ -51,6 +51,13 @@ EXPORT_SYMBOL_GPL(xp_remote_memcpy);
 int (*xp_cpu_to_nasid) (int cpuid);
 EXPORT_SYMBOL_GPL(xp_cpu_to_nasid);
 
+enum xp_retval (*xp_expand_memprotect) (unsigned long phys_addr,
+                                        unsigned long size);
+EXPORT_SYMBOL_GPL(xp_expand_memprotect);
+enum xp_retval (*xp_restrict_memprotect) (unsigned long phys_addr,
+                                          unsigned long size);
+EXPORT_SYMBOL_GPL(xp_restrict_memprotect);
+
 /*
  * xpc_registrations[] keeps track of xpc_connect()'s done by the kernel-level
  * users of XPC.