Get rid of passing mangled flag to do_last()

[safe/jmp/linux-2.6] / include / linux / mm_types.h

diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index 92915e8..36f9627 100644 (file)
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -11,6 +11,7 @@
 #include <linux/rwsem.h>
 #include <linux/completion.h>
 #include <linux/cpumask.h>
+#include <linux/page-debug-flags.h>
 #include <asm/page.h>
 #include <asm/mmu.h>
 
@@ -94,6 +95,17 @@ struct page {
        void *virtual;                  /* Kernel virtual address (NULL if
                                           not kmapped, ie. highmem) */
 #endif /* WANT_PAGE_VIRTUAL */
+#ifdef CONFIG_WANT_PAGE_DEBUG_FLAGS
+       unsigned long debug_flags;      /* Use atomic bitops on this */
+#endif
+
+#ifdef CONFIG_KMEMCHECK
+       /*
+        * kmemcheck wants to track the status of each byte in a page; this
+        * is a pointer to such a status block. NULL if not tracked.
+        */
+       void *shadow;
+#endif
 };
 
 /*
@@ -110,7 +122,9 @@ struct vm_region {
        unsigned long   vm_pgoff;       /* the offset in vm_file corresponding to vm_start */
        struct file     *vm_file;       /* the backing file or NULL */
 
-       atomic_t        vm_usage;       /* region usage count */
+       int             vm_usage;       /* region usage count (access under nommu_region_sem) */
+       bool            vm_icache_flushed : 1; /* true if the icache has been flushed for
+                                               * this region */
 };
 
 /*
@@ -159,7 +173,7 @@ struct vm_area_struct {
        struct anon_vma *anon_vma;      /* Serialized by page_table_lock */
 
        /* Function pointers to deal with this struct. */
-       struct vm_operations_struct * vm_ops;
+       const struct vm_operations_struct *vm_ops;
 
        /* Information about our backing store: */
        unsigned long vm_pgoff;         /* Offset (within vm_file) in PAGE_SIZE
@@ -191,10 +205,12 @@ struct mm_struct {
        struct vm_area_struct * mmap;           /* list of VMAs */
        struct rb_root mm_rb;
        struct vm_area_struct * mmap_cache;     /* last find_vma result */
+#ifdef CONFIG_MMU
        unsigned long (*get_unmapped_area) (struct file *filp,
                                unsigned long addr, unsigned long len,
                                unsigned long pgoff, unsigned long flags);
        void (*unmap_area) (struct mm_struct *mm, unsigned long addr);
+#endif
        unsigned long mmap_base;                /* base of mmap area */
        unsigned long task_size;                /* size of task vm space */
        unsigned long cached_hole_size;         /* if non-zero, the largest hole below free_area_cache */
@@ -228,6 +244,8 @@ struct mm_struct {
 
        unsigned long saved_auxv[AT_VECTOR_SIZE]; /* for /proc/PID/auxv */
 
+       struct linux_binfmt *binfmt;
+
        cpumask_t cpu_vm_mask;
 
        /* Architecture-specific MM context */
@@ -247,11 +265,10 @@ struct mm_struct {
        unsigned long flags; /* Must use atomic bitops to access the bits */
 
        struct core_state *core_state; /* coredumping support */
-
-       /* aio bits */
+#ifdef CONFIG_AIO
        spinlock_t              ioctx_lock;
        struct hlist_head       ioctx_list;
-
+#endif
 #ifdef CONFIG_MM_OWNER
        /*
         * "owner" points to a task that is regarded as the canonical
@@ -276,4 +293,7 @@ struct mm_struct {
 #endif
 };
 
+/* Future-safe accessor for struct mm_struct's cpu_vm_mask. */
+#define mm_cpumask(mm) (&(mm)->cpu_vm_mask)
+
 #endif /* _LINUX_MM_TYPES_H */