1 files changed, 0 insertions, 66 deletions
diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h
index 90f72cd35839..0b6e1f781d86 100644
--- a/include/linux/pgtable.h
+++ b/include/linux/pgtable.h
@@ -1485,17 +1485,6 @@ static inline pmd_t pmd_swp_clear_soft_dirty(pmd_t pmd)
  * vmf_insert_pfn.
  */
 
-/*
- * track_pfn_remap is called when a _new_ pfn mapping is being established
- * by remap_pfn_range() for physical range indicated by pfn and size.
- */
-static inline int track_pfn_remap(struct vm_area_struct *vma, pgprot_t *prot,
-				  unsigned long pfn, unsigned long addr,
-				  unsigned long size)
-{
-	return 0;
-}
-
 static inline int pfnmap_setup_cachemode(unsigned long pfn, unsigned long size,
 		pgprot_t *prot)
 {
@@ -1511,55 +1500,7 @@ static inline int pfnmap_track(unsigned long pfn, unsigned long size,
 static inline void pfnmap_untrack(unsigned long pfn, unsigned long size)
 {
 }
-
-/*
- * track_pfn_copy is called when a VM_PFNMAP VMA is about to get the page
- * tables copied during copy_page_range(). Will store the pfn to be
- * passed to untrack_pfn_copy() only if there is something to be untracked.
- * Callers should initialize the pfn to 0.
- */
-static inline int track_pfn_copy(struct vm_area_struct *dst_vma,
-		struct vm_area_struct *src_vma, unsigned long *pfn)
-{
-	return 0;
-}
-
-/*
- * untrack_pfn_copy is called when a VM_PFNMAP VMA failed to copy during
- * copy_page_range(), but after track_pfn_copy() was already called. Can
- * be called even if track_pfn_copy() did not actually track anything:
- * handled internally.
- */
-static inline void untrack_pfn_copy(struct vm_area_struct *dst_vma,
-		unsigned long pfn)
-{
-}
-
-/*
- * untrack_pfn is called while unmapping a pfnmap for a region.
- * untrack can be called for a specific region indicated by pfn and size or
- * can be for the entire vma (in which case pfn, size are zero).
- */
-static inline void untrack_pfn(struct vm_area_struct *vma,
-			       unsigned long pfn, unsigned long size,
-			       bool mm_wr_locked)
-{
-}
-
-/*
- * untrack_pfn_clear is called in the following cases on a VM_PFNMAP VMA:
- *
- * 1) During mremap() on the src VMA after the page tables were moved.
- * 2) During fork() on the dst VMA, immediately after duplicating the src VMA.
- */
-static inline void untrack_pfn_clear(struct vm_area_struct *vma)
-{
-}
 #else
-extern int track_pfn_remap(struct vm_area_struct *vma, pgprot_t *prot,
-			   unsigned long pfn, unsigned long addr,
-			   unsigned long size);
-
 /**
  * pfnmap_setup_cachemode - setup the cachemode in the pgprot for a pfn range
  * @pfn: the start of the pfn range
@@ -1614,13 +1555,6 @@ int pfnmap_track(unsigned long pfn, unsigned long size, pgprot_t *prot);
  * Untrack a pfn range previously tracked through pfnmap_track().
  */
 void pfnmap_untrack(unsigned long pfn, unsigned long size);
-extern int track_pfn_copy(struct vm_area_struct *dst_vma,
-		struct vm_area_struct *src_vma, unsigned long *pfn);
-extern void untrack_pfn_copy(struct vm_area_struct *dst_vma,
-		unsigned long pfn);
-extern void untrack_pfn(struct vm_area_struct *vma, unsigned long pfn,
-			unsigned long size, bool mm_wr_locked);
-extern void untrack_pfn_clear(struct vm_area_struct *vma);
 #endif
 
 /**