1 files changed, 54 insertions, 0 deletions

diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h
new file mode 100644
index 000000000000..3a358c895188
--- /dev/null
+++ b/include/linux/vmalloc.h
@@ -0,0 +1,54 @@
+#ifndef _LINUX_VMALLOC_H
+#define _LINUX_VMALLOC_H
+
+#include <linux/spinlock.h>
+#include <asm/page.h>           /* pgprot_t */
+
+/* bits in vm_struct->flags */
+#define VM_IOREMAP      0x00000001      /* ioremap() and friends */
+#define VM_ALLOC        0x00000002      /* vmalloc() */
+#define VM_MAP          0x00000004      /* vmap()ed pages */
+/* bits [20..32] reserved for arch specific ioremap internals */
+
+struct vm_struct {
+        void                    *addr;
+        unsigned long           size;
+        unsigned long           flags;
+        struct page             **pages;
+        unsigned int            nr_pages;
+        unsigned long           phys_addr;
+        struct vm_struct        *next;
+};
+
+/*
+ *      Highlevel APIs for driver use
+ */
+extern void *vmalloc(unsigned long size);
+extern void *vmalloc_exec(unsigned long size);
+extern void *vmalloc_32(unsigned long size);
+extern void *__vmalloc(unsigned long size, unsigned int __nocast gfp_mask, pgprot_t prot);
+extern void *__vmalloc_area(struct vm_struct *area, unsigned int __nocast gfp_mask, pgprot_t prot);
+extern void vfree(void *addr);
+
+extern void *vmap(struct page **pages, unsigned int count,
+                        unsigned long flags, pgprot_t prot);
+extern void vunmap(void *addr);
+ 
+/*
+ *      Lowlevel-APIs (not for driver use!)
+ */
+extern struct vm_struct *get_vm_area(unsigned long size, unsigned long flags);
+extern struct vm_struct *__get_vm_area(unsigned long size, unsigned long flags,
+                                        unsigned long start, unsigned long end);
+extern struct vm_struct *remove_vm_area(void *addr);
+extern int map_vm_area(struct vm_struct *area, pgprot_t prot,
+                        struct page ***pages);
+extern void unmap_vm_area(struct vm_struct *area);
+
+/*
+ *      Internals.  Dont't use..
+ */
+extern rwlock_t vmlist_lock;
+extern struct vm_struct *vmlist;
+
+#endif /* _LINUX_VMALLOC_H */