extern int remap_vmalloc_range(struct vm_area_struct *vma, void *addr,
unsigned long pgoff);
+void vmalloc_sync_all(void);
/*
* Lowlevel-APIs (not for driver use!)
*/
+
+static inline size_t get_vm_area_size(const struct vm_struct *area)
+{
+ /* return actual size without guard page */
+ return area->size - PAGE_SIZE;
+}
+
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);
unsigned long flags, int node,
gfp_t gfp_mask);
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);
+extern void unmap_kernel_range(unsigned long addr, unsigned long size);
+
+/* Allocate/destroy a 'vmalloc' VM area. */
+extern struct vm_struct *alloc_vm_area(size_t size);
+extern void free_vm_area(struct vm_struct *area);
/*
* Internals. Dont't use..