From 1cfce70e111b823c632f4c0107f817cb30eb88c8 Mon Sep 17 00:00:00 2001
From: Graf Yang <graf.yang@analog.com>
Date: Mon, 28 Mar 2011 12:53:29 +0100
Subject: [PATCH] --- yaml --- r: 243392 b: refs/heads/master c:
 b554cb426a955a267dba524f98f99e29bc947643 h: refs/heads/master v: v3

---
 [refs]                        |  2 +-
 trunk/include/linux/vmalloc.h | 32 ++++++++++++++++++++++++++++++++
 2 files changed, 33 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index e4c33115ff7b..b1d70d9a34bd 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: eac522ef438f8ea173569fd0469371bc5d317947
+refs/heads/master: b554cb426a955a267dba524f98f99e29bc947643
diff --git a/trunk/include/linux/vmalloc.h b/trunk/include/linux/vmalloc.h
index 4ed6fcd6b726..9332e52ea8c2 100644
--- a/trunk/include/linux/vmalloc.h
+++ b/trunk/include/linux/vmalloc.h
@@ -95,10 +95,27 @@ extern struct vm_struct *remove_vm_area(const void *addr);
 
 extern int map_vm_area(struct vm_struct *area, pgprot_t prot,
 			struct page ***pages);
+#ifdef CONFIG_MMU
 extern int map_kernel_range_noflush(unsigned long start, unsigned long size,
 				    pgprot_t prot, struct page **pages);
 extern void unmap_kernel_range_noflush(unsigned long addr, unsigned long size);
 extern void unmap_kernel_range(unsigned long addr, unsigned long size);
+#else
+static inline int
+map_kernel_range_noflush(unsigned long start, unsigned long size,
+			pgprot_t prot, struct page **pages)
+{
+	return size >> PAGE_SHIFT;
+}
+static inline void
+unmap_kernel_range_noflush(unsigned long addr, unsigned long size)
+{
+}
+static inline void
+unmap_kernel_range(unsigned long addr, unsigned long size)
+{
+}
+#endif
 
 /* Allocate/destroy a 'vmalloc' VM area. */
 extern struct vm_struct *alloc_vm_area(size_t size);
@@ -116,11 +133,26 @@ extern struct vm_struct *vmlist;
 extern __init void vm_area_register_early(struct vm_struct *vm, size_t align);
 
 #ifdef CONFIG_SMP
+# ifdef CONFIG_MMU
 struct vm_struct **pcpu_get_vm_areas(const unsigned long *offsets,
 				     const size_t *sizes, int nr_vms,
 				     size_t align);
 
 void pcpu_free_vm_areas(struct vm_struct **vms, int nr_vms);
+# else
+static inline struct vm_struct **
+pcpu_get_vm_areas(const unsigned long *offsets,
+		const size_t *sizes, int nr_vms,
+		size_t align)
+{
+	return NULL;
+}
+
+static inline void
+pcpu_free_vm_areas(struct vm_struct **vms, int nr_vms)
+{
+}
+# endif
 #endif
 
 #endif /* _LINUX_VMALLOC_H */