@@ -27,15 +27,6 @@
 #else /* !CONFIG_MMU */
 
 #include <asm/tlbflush.h>
-
-static inline void __tlb_remove_table(void *_table)
-{
-	struct ptdesc *ptdesc = (struct ptdesc *)_table;
-
-	pagetable_dtor(ptdesc);
-	pagetable_free(ptdesc);
-}
-
 #include <asm-generic/tlb.h>
 
 static inline void

@@ -10,13 +10,6 @@
 
 #include <linux/pagemap.h>
 
-static inline void __tlb_remove_table(void *_table)
-{
-	struct ptdesc *ptdesc = (struct ptdesc *)_table;
-
-	pagetable_dtor(ptdesc);
-	pagetable_free(ptdesc);
-}
 
 #define tlb_flush tlb_flush
 static void tlb_flush(struct mmu_gather *tlb);

@@ -37,6 +37,7 @@ extern void tlb_flush(struct mmu_gather *tlb);
  */
 #define tlb_needs_table_invalidate()	radix_enabled()
 
+#define __HAVE_ARCH_TLB_REMOVE_TABLE
 /* Get the generic bits... */
 #include <asm-generic/tlb.h>
 

@@ -10,18 +10,6 @@ struct mmu_gather;
 
 static void tlb_flush(struct mmu_gather *tlb);
 
-#ifdef CONFIG_MMU
-
-static inline void __tlb_remove_table(void *table)
-{
-	struct ptdesc *ptdesc = (struct ptdesc *)table;
-
-	pagetable_dtor(ptdesc);
-	pagetable_free(ptdesc);
-}
-
-#endif /* CONFIG_MMU */
-
 #define tlb_flush tlb_flush
 #include <asm-generic/tlb.h>
 

@@ -22,7 +22,6 @@
  * Pages used for the page tables is a different story. FIXME: more
  */
 
-void __tlb_remove_table(void *_table);
 static inline void tlb_flush(struct mmu_gather *tlb);
 static inline bool __tlb_remove_page_size(struct mmu_gather *tlb,
 		struct page *page, bool delay_rmap, int page_size);

@@ -87,7 +86,7 @@ static inline void pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte,
 	tlb->cleared_pmds = 1;
 	if (mm_alloc_pgste(tlb->mm))
 		gmap_unlink(tlb->mm, (unsigned long *)pte, address);
-	tlb_remove_ptdesc(tlb, pte);
+	tlb_remove_ptdesc(tlb, virt_to_ptdesc(pte));
 }
 
 /*

@@ -106,7 +105,7 @@ static inline void pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd,
 	tlb->mm->context.flush_mm = 1;
 	tlb->freed_tables = 1;
 	tlb->cleared_puds = 1;
-	tlb_remove_ptdesc(tlb, pmd);
+	tlb_remove_ptdesc(tlb, virt_to_ptdesc(pmd));
 }
 
 /*

@@ -124,7 +123,7 @@ static inline void pud_free_tlb(struct mmu_gather *tlb, pud_t *pud,
 	tlb->mm->context.flush_mm = 1;
 	tlb->freed_tables = 1;
 	tlb->cleared_p4ds = 1;
-	tlb_remove_ptdesc(tlb, pud);
+	tlb_remove_ptdesc(tlb, virt_to_ptdesc(pud));
 }
 
 /*

@@ -142,7 +141,7 @@ static inline void p4d_free_tlb(struct mmu_gather *tlb, p4d_t *p4d,
 	__tlb_adjust_range(tlb, address, PAGE_SIZE);
 	tlb->mm->context.flush_mm = 1;
 	tlb->freed_tables = 1;
-	tlb_remove_ptdesc(tlb, p4d);
+	tlb_remove_ptdesc(tlb, virt_to_ptdesc(p4d));
 }
 
 #endif /* _S390_TLB_H */

@@ -193,13 +193,6 @@ void page_table_free(struct mm_struct *mm, unsigned long *table)
 	pagetable_dtor_free(ptdesc);
 }
 
-void __tlb_remove_table(void *table)
-{
-	struct ptdesc *ptdesc = virt_to_ptdesc(table);
-
-	pagetable_dtor_free(ptdesc);
-}
-
 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
 static void pte_free_now(struct rcu_head *head)
 {

@@ -2,6 +2,7 @@
 #ifndef _SPARC_TLB_H
 #define _SPARC_TLB_H
 
+#define __HAVE_ARCH_TLB_REMOVE_TABLE
 #include <asm-generic/tlb.h>
 
 #endif /* _SPARC_TLB_H */

@@ -33,6 +33,7 @@ void flush_tlb_pending(void);
 #define tlb_needs_table_invalidate()	(false)
 #endif
 
+#define __HAVE_ARCH_TLB_REMOVE_TABLE
 #include <asm-generic/tlb.h>
 
 #endif /* _SPARC64_TLB_H */

@@ -20,23 +20,6 @@ static inline void tlb_flush(struct mmu_gather *tlb)
 	flush_tlb_mm_range(tlb->mm, start, end, stride_shift, tlb->freed_tables);
 }
 
-/*
- * While x86 architecture in general requires an IPI to perform TLB
- * shootdown, enablement code for several hypervisors overrides
- * .flush_tlb_others hook in pv_mmu_ops and implements it by issuing
- * a hypercall. To keep software pagetable walkers safe in this case we
- * switch to RCU based table free (MMU_GATHER_RCU_TABLE_FREE). See the comment
- * below 'ifdef CONFIG_MMU_GATHER_RCU_TABLE_FREE' in include/asm-generic/tlb.h
- * for more details.
- */
-static inline void __tlb_remove_table(void *table)
-{
-	struct ptdesc *ptdesc = (struct ptdesc *)table;
-
-	pagetable_dtor(ptdesc);
-	pagetable_free(ptdesc);
-}
-
 #ifdef CONFIG_PT_RECLAIM
 static inline void __tlb_remove_table_one_rcu(struct rcu_head *head)
 {

@@ -153,8 +153,9 @@
  *
  *  Useful if your architecture has non-page page directories.
  *
- *  When used, an architecture is expected to provide __tlb_remove_table()
- *  which does the actual freeing of these pages.
+ *  When used, an architecture is expected to provide __tlb_remove_table() or
+ *  use the generic __tlb_remove_table(), which does the actual freeing of these
+ *  pages.
  *
  *  MMU_GATHER_RCU_TABLE_FREE
  *

@@ -207,6 +208,16 @@ struct mmu_table_batch {
 #define MAX_TABLE_BATCH		\
 	((PAGE_SIZE - sizeof(struct mmu_table_batch)) / sizeof(void *))
 
+#ifndef __HAVE_ARCH_TLB_REMOVE_TABLE
+static inline void __tlb_remove_table(void *table)
+{
+	struct ptdesc *ptdesc = (struct ptdesc *)table;
+
+	pagetable_dtor(ptdesc);
+	pagetable_free(ptdesc);
+}
+#endif
+
 extern void tlb_remove_table(struct mmu_gather *tlb, void *table);
 
 #else /* !CONFIG_MMU_GATHER_HAVE_TABLE_FREE */