diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h b/arch/powerpc/include/asm/book3s/64/pgtable.h
index 700301bc5190..0ebfbc8f0449 100644
--- a/arch/powerpc/include/asm/book3s/64/pgtable.h
+++ b/arch/powerpc/include/asm/book3s/64/pgtable.h
@@ -1021,6 +1021,16 @@ static inline int pmd_move_must_withdraw(struct spinlock *new_pmd_ptl,
 	 */
 	return true;
 }
+
+
+#define arch_needs_pgtable_deposit arch_needs_pgtable_deposit
+static inline bool arch_needs_pgtable_deposit(void)
+{
+	if (radix_enabled())
+		return false;
+	return true;
+}
+
 #endif /* CONFIG_TRANSPARENT_HUGEPAGE */
 #endif /* __ASSEMBLY__ */
 #endif /* _ASM_POWERPC_BOOK3S_64_PGTABLE_H_ */
diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h
index 2065e81701fc..18af2bcefe6a 100644
--- a/include/asm-generic/pgtable.h
+++ b/include/asm-generic/pgtable.h
@@ -652,6 +652,9 @@ static inline pmd_t pmd_read_atomic(pmd_t *pmdp)
 }
 #endif
 
+#ifndef arch_needs_pgtable_deposit
+#define arch_needs_pgtable_deposit() (false)
+#endif
 /*
  * This function is meant to be used by sites walking pagetables with
  * the mmap_sem hold in read mode to protect against MADV_DONTNEED and
diff --git a/mm/Kconfig b/mm/Kconfig
index 33a9b06ec618..9b8fccb969dc 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -447,13 +447,9 @@ choice
 	  benefit.
 endchoice
 
-#
-# We don't deposit page tables on file THP mapping,
-# but Power makes use of them to address MMU quirk.
-#
 config	TRANSPARENT_HUGE_PAGECACHE
 	def_bool y
-	depends on TRANSPARENT_HUGEPAGE && !PPC
+	depends on TRANSPARENT_HUGEPAGE
 
 #
 # UP and nommu archs use km based percpu allocator
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index b54044c21076..2b44ac11178f 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -1380,6 +1380,15 @@ out_unlocked:
 	return ret;
 }
 
+static inline void zap_deposited_table(struct mm_struct *mm, pmd_t *pmd)
+{
+	pgtable_t pgtable;
+
+	pgtable = pgtable_trans_huge_withdraw(mm, pmd);
+	pte_free(mm, pgtable);
+	atomic_long_dec(&mm->nr_ptes);
+}
+
 int zap_huge_pmd(struct mmu_gather *tlb, struct vm_area_struct *vma,
 		 pmd_t *pmd, unsigned long addr)
 {
@@ -1421,6 +1430,8 @@ int zap_huge_pmd(struct mmu_gather *tlb, struct vm_area_struct *vma,
 			atomic_long_dec(&tlb->mm->nr_ptes);
 			add_mm_counter(tlb->mm, MM_ANONPAGES, -HPAGE_PMD_NR);
 		} else {
+			if (arch_needs_pgtable_deposit())
+				zap_deposited_table(tlb->mm, pmd);
 			add_mm_counter(tlb->mm, MM_FILEPAGES, -HPAGE_PMD_NR);
 		}
 		spin_unlock(ptl);
@@ -1607,6 +1618,12 @@ static void __split_huge_pmd_locked(struct vm_area_struct *vma, pmd_t *pmd,
 
 	if (!vma_is_anonymous(vma)) {
 		_pmd = pmdp_huge_clear_flush_notify(vma, haddr, pmd);
+		/*
+		 * We are going to unmap this huge page. So
+		 * just go ahead and zap it
+		 */
+		if (arch_needs_pgtable_deposit())
+			zap_deposited_table(mm, pmd);
 		if (vma_is_dax(vma))
 			return;
 		page = pmd_page(_pmd);
diff --git a/mm/khugepaged.c b/mm/khugepaged.c
index 7a50c726c5ae..09460955e818 100644
--- a/mm/khugepaged.c
+++ b/mm/khugepaged.c
@@ -1242,6 +1242,7 @@ static void retract_page_tables(struct address_space *mapping, pgoff_t pgoff)
 	struct vm_area_struct *vma;
 	unsigned long addr;
 	pmd_t *pmd, _pmd;
+	bool deposited = false;
 
 	i_mmap_lock_write(mapping);
 	vma_interval_tree_foreach(vma, &mapping->i_mmap, pgoff, pgoff) {
@@ -1266,10 +1267,26 @@ static void retract_page_tables(struct address_space *mapping, pgoff_t pgoff)
 			spinlock_t *ptl = pmd_lock(vma->vm_mm, pmd);
 			/* assume page table is clear */
 			_pmd = pmdp_collapse_flush(vma, addr, pmd);
+			/*
+			 * now deposit the pgtable for arch that need it
+			 * otherwise free it.
+			 */
+			if (arch_needs_pgtable_deposit()) {
+				/*
+				 * The deposit should be visibile only after
+				 * collapse is seen by others.
+				 */
+				smp_wmb();
+				pgtable_trans_huge_deposit(vma->vm_mm, pmd,
+							   pmd_pgtable(_pmd));
+				deposited = true;
+			}
 			spin_unlock(ptl);
 			up_write(&vma->vm_mm->mmap_sem);
-			atomic_long_dec(&vma->vm_mm->nr_ptes);
-			pte_free(vma->vm_mm, pmd_pgtable(_pmd));
+			if (!deposited) {
+				atomic_long_dec(&vma->vm_mm->nr_ptes);
+				pte_free(vma->vm_mm, pmd_pgtable(_pmd));
+			}
 		}
 	}
 	i_mmap_unlock_write(mapping);
diff --git a/mm/memory.c b/mm/memory.c
index 0a72f821ccdc..32e9b7aec366 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -2935,6 +2935,19 @@ static inline bool transhuge_vma_suitable(struct vm_area_struct *vma,
 	return true;
 }
 
+static void deposit_prealloc_pte(struct fault_env *fe)
+{
+	struct vm_area_struct *vma = fe->vma;
+
+	pgtable_trans_huge_deposit(vma->vm_mm, fe->pmd, fe->prealloc_pte);
+	/*
+	 * We are going to consume the prealloc table,
+	 * count that as nr_ptes.
+	 */
+	atomic_long_inc(&vma->vm_mm->nr_ptes);
+	fe->prealloc_pte = 0;
+}
+
 static int do_set_pmd(struct fault_env *fe, struct page *page)
 {
 	struct vm_area_struct *vma = fe->vma;
@@ -2949,6 +2962,17 @@ static int do_set_pmd(struct fault_env *fe, struct page *page)
 	ret = VM_FAULT_FALLBACK;
 	page = compound_head(page);
 
+	/*
+	 * Archs like ppc64 need additonal space to store information
+	 * related to pte entry. Use the preallocated table for that.
+	 */
+	if (arch_needs_pgtable_deposit() && !fe->prealloc_pte) {
+		fe->prealloc_pte = pte_alloc_one(vma->vm_mm, fe->address);
+		if (!fe->prealloc_pte)
+			return VM_FAULT_OOM;
+		smp_wmb(); /* See comment in __pte_alloc() */
+	}
+
 	fe->ptl = pmd_lock(vma->vm_mm, fe->pmd);
 	if (unlikely(!pmd_none(*fe->pmd)))
 		goto out;
@@ -2962,6 +2986,11 @@ static int do_set_pmd(struct fault_env *fe, struct page *page)
 
 	add_mm_counter(vma->vm_mm, MM_FILEPAGES, HPAGE_PMD_NR);
 	page_add_file_rmap(page, true);
+	/*
+	 * deposit and withdraw with pmd lock held
+	 */
+	if (arch_needs_pgtable_deposit())
+		deposit_prealloc_pte(fe);
 
 	set_pmd_at(vma->vm_mm, haddr, fe->pmd, entry);
 
@@ -2971,6 +3000,13 @@ static int do_set_pmd(struct fault_env *fe, struct page *page)
 	ret = 0;
 	count_vm_event(THP_FILE_MAPPED);
 out:
+	/*
+	 * If we are going to fallback to pte mapping, do a
+	 * withdraw with pmd lock held.
+	 */
+	if (arch_needs_pgtable_deposit() && ret == VM_FAULT_FALLBACK)
+		fe->prealloc_pte = pgtable_trans_huge_withdraw(vma->vm_mm,
+							       fe->pmd);
 	spin_unlock(fe->ptl);
 	return ret;
 }
@@ -3010,18 +3046,20 @@ int alloc_set_pte(struct fault_env *fe, struct mem_cgroup *memcg,
 
 		ret = do_set_pmd(fe, page);
 		if (ret != VM_FAULT_FALLBACK)
-			return ret;
+			goto fault_handled;
 	}
 
 	if (!fe->pte) {
 		ret = pte_alloc_one_map(fe);
 		if (ret)
-			return ret;
+			goto fault_handled;
 	}
 
 	/* Re-check under ptl */
-	if (unlikely(!pte_none(*fe->pte)))
-		return VM_FAULT_NOPAGE;
+	if (unlikely(!pte_none(*fe->pte))) {
+		ret = VM_FAULT_NOPAGE;
+		goto fault_handled;
+	}
 
 	flush_icache_page(vma, page);
 	entry = mk_pte(page, vma->vm_page_prot);
@@ -3041,8 +3079,15 @@ int alloc_set_pte(struct fault_env *fe, struct mem_cgroup *memcg,
 
 	/* no need to invalidate: a not-present page won't be cached */
 	update_mmu_cache(vma, fe->address, fe->pte);
+	ret = 0;
 
-	return 0;
+fault_handled:
+	/* preallocated pagetable is unused: free it */
+	if (fe->prealloc_pte) {
+		pte_free(fe->vma->vm_mm, fe->prealloc_pte);
+		fe->prealloc_pte = 0;
+	}
+	return ret;
 }
 
 static unsigned long fault_around_bytes __read_mostly =
@@ -3141,11 +3186,6 @@ static int do_fault_around(struct fault_env *fe, pgoff_t start_pgoff)
 
 	fe->vma->vm_ops->map_pages(fe, start_pgoff, end_pgoff);
 
-	/* preallocated pagetable is unused: free it */
-	if (fe->prealloc_pte) {
-		pte_free(fe->vma->vm_mm, fe->prealloc_pte);
-		fe->prealloc_pte = 0;
-	}
 	/* Huge page is mapped? Page fault is solved */
 	if (pmd_trans_huge(*fe->pmd)) {
 		ret = VM_FAULT_NOPAGE;