[PATCH mm-unstable v8 15/31] mm: Remove page table members from struct page

["Vishal Moola (Oracle)" <vishal.moola@xxxxxxxxx>]

The page table members are now split out into their own ptdesc struct.
Remove them from struct page.

Signed-off-by: Vishal Moola (Oracle) <vishal.moola@xxxxxxxxx>
Acked-by: Mike Rapoport (IBM) <rppt@xxxxxxxxxx>
---
 include/linux/mm_types.h | 18 ------------------
 include/linux/pgtable.h  |  3 ---
 2 files changed, 21 deletions(-)

diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index da538ff68953..aae6af098031 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -141,24 +141,6 @@ struct page {
                struct {        /* Tail pages of compound page */
                        unsigned long compound_head;    /* Bit zero is set */
                };
-               struct {        /* Page table pages */
-                       unsigned long _pt_pad_1;        /* compound_head */
-                       pgtable_t pmd_huge_pte; /* protected by page->ptl */
-                       /*
-                        * A PTE page table page might be freed by use of
-                        * rcu_head: which overlays those two fields above.
-                        */
-                       unsigned long _pt_pad_2;        /* mapping */
-                       union {
-                               struct mm_struct *pt_mm; /* x86 pgds only */
-                               atomic_t pt_frag_refcount; /* powerpc */
-                       };
-#if ALLOC_SPLIT_PTLOCKS
-                       spinlock_t *ptl;
-#else
-                       spinlock_t ptl;
-#endif
-               };
                struct {        /* ZONE_DEVICE pages */
                        /** @pgmap: Points to the hosting device page map. */
                        struct dev_pagemap *pgmap;
diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h
index 250fdeba68f3..1a984c300d45 100644
--- a/include/linux/pgtable.h
+++ b/include/linux/pgtable.h
@@ -1051,10 +1051,7 @@ struct ptdesc {
 TABLE_MATCH(flags, __page_flags);
 TABLE_MATCH(compound_head, pt_list);
 TABLE_MATCH(compound_head, _pt_pad_1);
-TABLE_MATCH(pmd_huge_pte, pmd_huge_pte);
 TABLE_MATCH(mapping, __page_mapping);
-TABLE_MATCH(pt_mm, pt_mm);
-TABLE_MATCH(ptl, ptl);
 TABLE_MATCH(rcu_head, pt_rcu_head);
 TABLE_MATCH(page_type, __page_type);
 TABLE_MATCH(_refcount, _refcount);
-- 
2.40.1