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Diffstat (limited to 'include/linux/mm.h')
-rw-r--r--include/linux/mm.h20
1 files changed, 18 insertions, 2 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h
index a0fbb9ffe380..7ba6d356d18f 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -155,7 +155,9 @@ extern int overcommit_kbytes_handler(struct ctl_table *, int, void __user *,
* mmap() functions).
*/
-extern struct kmem_cache *vm_area_cachep;
+struct vm_area_struct *vm_area_alloc(struct mm_struct *);
+struct vm_area_struct *vm_area_dup(struct vm_area_struct *);
+void vm_area_free(struct vm_area_struct *);
#ifndef CONFIG_MMU
extern struct rb_root nommu_region_tree;
@@ -450,6 +452,20 @@ struct vm_operations_struct {
unsigned long addr);
};
+static inline void vma_init(struct vm_area_struct *vma, struct mm_struct *mm)
+{
+ static const struct vm_operations_struct dummy_vm_ops = {};
+
+ vma->vm_mm = mm;
+ vma->vm_ops = &dummy_vm_ops;
+ INIT_LIST_HEAD(&vma->anon_vma_chain);
+}
+
+static inline void vma_set_anonymous(struct vm_area_struct *vma)
+{
+ vma->vm_ops = NULL;
+}
+
struct mmu_gather;
struct inode;
@@ -2132,7 +2148,7 @@ extern int __meminit __early_pfn_to_nid(unsigned long pfn,
struct mminit_pfnnid_cache *state);
#endif
-#ifdef CONFIG_HAVE_MEMBLOCK
+#if defined(CONFIG_HAVE_MEMBLOCK) && !defined(CONFIG_FLAT_NODE_MEM_MAP)
void zero_resv_unavail(void);
#else
static inline void zero_resv_unavail(void) {}