4 files changed, 3 insertions, 28 deletions

diff --git a/arch/i386/mm/hugetlbpage.c b/arch/i386/mm/hugetlbpage.c
index 24c8a536b588..d524127c9afc 100644
--- a/arch/i386/mm/hugetlbpage.c
+++ b/arch/i386/mm/hugetlbpage.c
@@ -22,20 +22,14 @@ pte_t *huge_pte_alloc(struct mm_struct *mm, unsigned long addr)
 {
         pgd_t *pgd;
         pud_t *pud;
-        pmd_t *pmd;
         pte_t *pte = NULL;
 
         pgd = pgd_offset(mm, addr);
         pud = pud_alloc(mm, pgd, addr);
-        pmd = pmd_alloc(mm, pud, addr);
+        if (pud)
+                pte = (pte_t *) pmd_alloc(mm, pud, addr);
+        BUG_ON(pte && !pte_none(*pte) && !pte_huge(*pte));
 
-        if (!pmd)
-                goto out;
-
-        pte = (pte_t *) pmd;
-        if (!pte_none(*pte) && !pte_huge(*pte))
-                hugetlb_clean_stale_pgtable(pte);
-out:
         return pte;
 }
 
@@ -130,17 +124,6 @@ follow_huge_pmd(struct mm_struct *mm, unsigned long address,
 }
 #endif
 
-void hugetlb_clean_stale_pgtable(pte_t *pte)
-{
-        pmd_t *pmd = (pmd_t *) pte;
-        struct page *page;
-
-        page = pmd_page(*pmd);
-        pmd_clear(pmd);
-        dec_page_state(nr_page_table_pages);
-        page_cache_release(page);
-}
-
 /* x86_64 also uses this file */
 
 #ifdef HAVE_ARCH_HUGETLB_UNMAPPED_AREA
diff --git a/include/asm-i386/page.h b/include/asm-i386/page.h
index 10045fd82103..73296d9924fb 100644
--- a/include/asm-i386/page.h
+++ b/include/asm-i386/page.h
@@ -68,7 +68,6 @@ typedef struct { unsigned long pgprot; } pgprot_t;
 #define HPAGE_MASK      (~(HPAGE_SIZE - 1))
 #define HUGETLB_PAGE_ORDER      (HPAGE_SHIFT - PAGE_SHIFT)
 #define HAVE_ARCH_HUGETLB_UNMAPPED_AREA
-#define ARCH_HAS_HUGETLB_CLEAN_STALE_PGTABLE
 #endif
 
 #define pgd_val(x)      ((x).pgd)
diff --git a/include/asm-x86_64/page.h b/include/asm-x86_64/page.h
index fcf890aa8c81..135ffaa0393b 100644
--- a/include/asm-x86_64/page.h
+++ b/include/asm-x86_64/page.h
@@ -28,7 +28,6 @@
 #define HPAGE_SIZE      ((1UL) << HPAGE_SHIFT)
 #define HPAGE_MASK      (~(HPAGE_SIZE - 1))
 #define HUGETLB_PAGE_ORDER      (HPAGE_SHIFT - PAGE_SHIFT)
-#define ARCH_HAS_HUGETLB_CLEAN_STALE_PGTABLE
 
 #ifdef __KERNEL__
 #ifndef __ASSEMBLY__
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index f529d1442815..e670b0d13fe0 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -70,12 +70,6 @@ pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr,
 void hugetlb_prefault_arch_hook(struct mm_struct *mm);
 #endif
 
-#ifndef ARCH_HAS_HUGETLB_CLEAN_STALE_PGTABLE
-#define hugetlb_clean_stale_pgtable(pte)        BUG()
-#else
-void hugetlb_clean_stale_pgtable(pte_t *pte);
-#endif
-
 #else /* !CONFIG_HUGETLB_PAGE */
 
 static inline int is_vm_hugetlb_page(struct vm_area_struct *vma)