x86, bts: memory accounting

[linux-2.6-omap-h63xx.git] / include / linux / mm.h

diff --git a/include/linux/mm.h b/include/linux/mm.h
index c61ba10768ea48d6691cd58678476f35c1c878f1..9979d3fab6e79d840ea74ba519964c3df08d3306 100644 (file)
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -131,6 +131,11 @@ extern unsigned int kobjsize(const void *objp);
 #define VM_SequentialReadHint(v)       ((v)->vm_flags & VM_SEQ_READ)
 #define VM_RandomReadHint(v)           ((v)->vm_flags & VM_RAND_READ)
 
+/*
+ * special vmas that are non-mergable, non-mlock()able
+ */
+#define VM_SPECIAL (VM_IO | VM_DONTEXPAND | VM_RESERVED | VM_PFNMAP)
+
 /*
  * mapping from the currently active vm_flags protection bits (the
  * low four bits) to a page protection mask..
@@ -700,10 +705,10 @@ static inline int page_mapped(struct page *page)
 extern void show_free_areas(void);
 
 #ifdef CONFIG_SHMEM
-int shmem_lock(struct file *file, int lock, struct user_struct *user);
+extern int shmem_lock(struct file *file, int lock, struct user_struct *user);
 #else
 static inline int shmem_lock(struct file *file, int lock,
-                            struct user_struct *user)
+                           struct user_struct *user)
 {
        return 0;
 }
@@ -1281,5 +1286,7 @@ int vmemmap_populate_basepages(struct page *start_page,
 int vmemmap_populate(struct page *start_page, unsigned long pages, int node);
 void vmemmap_populate_print_last(void);
 
+extern void *alloc_locked_buffer(size_t size);
+extern void free_locked_buffer(void *buffer, size_t size);
 #endif /* __KERNEL__ */
 #endif /* _LINUX_MM_H */