[Patch] uml: fix the highmem build error

[AmÃrico Wang]

This patch fixes this error:

arch/um/kernel/mem.c: In function âinit_highmemâ:        
arch/um/kernel/mem.c:177: error: âpkmap_page_tableâ undeclared (first
use in this function)                                 
arch/um/kernel/mem.c:177: error: (Each undeclared identifier is
reported only once      
arch/um/kernel/mem.c:177: error: for each function it appears in.)  

Compile and run tested.

Signed-off-by: WANG Cong <wangcong@xxxxxxxxx>
Cc: Jeff Dike <jdike@xxxxxxxxxxx>
Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx>

---
diff --git a/arch/um/include/asm/fixmap.h b/arch/um/include/asm/fixmap.h
index 69c0252..4e656c9 100644
--- a/arch/um/include/asm/fixmap.h
+++ b/arch/um/include/asm/fixmap.h
@@ -40,6 +40,9 @@ enum fixed_addresses {
 #endif
 	__end_of_fixed_addresses
 };
+extern pte_t *pkmap_page_table;
+extern pte_t *kmap_pte;
+extern pgprot_t kmap_prot;
 
 extern void __set_fixmap (enum fixed_addresses idx,
 			  unsigned long phys, pgprot_t flags);
diff --git a/arch/x86/mm/highmem_32.c b/arch/x86/mm/highmem_32.c
index bcc079c..884f9e2 100644
--- a/arch/x86/mm/highmem_32.c
+++ b/arch/x86/mm/highmem_32.c
@@ -1,3 +1,4 @@
+#include <asm/fixmap.h>
 #include <linux/highmem.h>
 #include <linux/module.h>
 
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/