Merge git://git.infradead.org/users/eparis/audit

[cascardo/linux.git] / include / linux / mm.h

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 35300f3..bf9811e 100644 (file)
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -177,6 +177,9 @@ extern unsigned int kobjsize(const void *objp);
  */
 #define VM_SPECIAL (VM_IO | VM_DONTEXPAND | VM_PFNMAP | VM_MIXEDMAP)
 
+/* This mask defines which mm->def_flags a process can inherit its parent */
+#define VM_INIT_DEF_MASK       VM_NOHUGEPAGE
+
 /*
  * mapping from the currently active vm_flags protection bits (the
  * low four bits) to a page protection mask..
@@ -210,6 +213,10 @@ struct vm_fault {
                                         * is set (which is also implied by
                                         * VM_FAULT_ERROR).
                                         */
+       /* for ->map_pages() only */
+       pgoff_t max_pgoff;              /* map pages for offset from pgoff till
+                                        * max_pgoff inclusive */
+       pte_t *pte;                     /* pte entry associated with ->pgoff */
 };
 
 /*
@@ -221,6 +228,7 @@ struct vm_operations_struct {
        void (*open)(struct vm_area_struct * area);
        void (*close)(struct vm_area_struct * area);
        int (*fault)(struct vm_area_struct *vma, struct vm_fault *vmf);
+       void (*map_pages)(struct vm_area_struct *vma, struct vm_fault *vmf);
 
        /* notification that a previously read-only page is about to become
         * writable, if an error is returned it will cause a SIGBUS */
@@ -581,6 +589,9 @@ static inline pte_t maybe_mkwrite(pte_t pte, struct vm_area_struct *vma)
                pte = pte_mkwrite(pte);
        return pte;
 }
+
+void do_set_pte(struct vm_area_struct *vma, unsigned long address,
+               struct page *page, pte_t *pte, bool write, bool anon);
 #endif
 
 /*
@@ -684,7 +695,7 @@ static inline pte_t maybe_mkwrite(pte_t pte, struct vm_area_struct *vma)
 #define ZONES_MASK             ((1UL << ZONES_WIDTH) - 1)
 #define NODES_MASK             ((1UL << NODES_WIDTH) - 1)
 #define SECTIONS_MASK          ((1UL << SECTIONS_WIDTH) - 1)
-#define LAST_CPUPID_MASK       ((1UL << LAST_CPUPID_WIDTH) - 1)
+#define LAST_CPUPID_MASK       ((1UL << LAST_CPUPID_SHIFT) - 1)
 #define ZONEID_MASK            ((1UL << ZONEID_SHIFT) - 1)
 
 static inline enum zone_type page_zonenum(const struct page *page)
@@ -1193,6 +1204,7 @@ void account_page_writeback(struct page *page);
 int set_page_dirty(struct page *page);
 int set_page_dirty_lock(struct page *page);
 int clear_page_dirty_for_io(struct page *page);
+int get_cmdline(struct task_struct *task, char *buffer, int buflen);
 
 /* Is the vma a continuation of the stack vma above it? */
 static inline int vma_growsdown(struct vm_area_struct *vma, unsigned long addr)
@@ -1836,6 +1848,7 @@ extern void truncate_inode_pages_final(struct address_space *);
 
 /* generic vm_area_ops exported for stackable file systems */
 extern int filemap_fault(struct vm_area_struct *, struct vm_fault *);
+extern void filemap_map_pages(struct vm_area_struct *vma, struct vm_fault *vmf);
 extern int filemap_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf);
 
 /* mm/page-writeback.c */
@@ -1863,9 +1876,6 @@ void page_cache_async_readahead(struct address_space *mapping,
                                unsigned long size);
 
 unsigned long max_sane_readahead(unsigned long nr);
-unsigned long ra_submit(struct file_ra_state *ra,
-                       struct address_space *mapping,
-                       struct file *filp);
 
 /* Generic expand stack which grows the stack according to GROWS{UP,DOWN} */
 extern int expand_stack(struct vm_area_struct *vma, unsigned long address);