1 files changed, 0 insertions, 130 deletions
diff --git a/ANDROID_3.4.5/arch/s390/mm/hugetlbpage.c b/ANDROID_3.4.5/arch/s390/mm/hugetlbpage.c
deleted file mode 100644
index 597bb2d2..00000000
--- a/ANDROID_3.4.5/arch/s390/mm/hugetlbpage.c
+++ /dev/null
@@ -1,130 +0,0 @@
-/*
- *  IBM System z Huge TLB Page Support for Kernel.
- *
- *    Copyright 2007 IBM Corp.
- *    Author(s): Gerald Schaefer <gerald.schaefer@de.ibm.com>
- */
-
-#include <linux/mm.h>
-#include <linux/hugetlb.h>
-
-
-void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
-				   pte_t *pteptr, pte_t pteval)
-{
-	pmd_t *pmdp = (pmd_t *) pteptr;
-	unsigned long mask;
-
-	if (!MACHINE_HAS_HPAGE) {
-		pteptr = (pte_t *) pte_page(pteval)[1].index;
-		mask = pte_val(pteval) &
-				(_SEGMENT_ENTRY_INV | _SEGMENT_ENTRY_RO);
-		pte_val(pteval) = (_SEGMENT_ENTRY + __pa(pteptr)) | mask;
-	}
-
-	pmd_val(*pmdp) = pte_val(pteval);
-}
-
-int arch_prepare_hugepage(struct page *page)
-{
-	unsigned long addr = page_to_phys(page);
-	pte_t pte;
-	pte_t *ptep;
-	int i;
-
-	if (MACHINE_HAS_HPAGE)
-		return 0;
-
-	ptep = (pte_t *) pte_alloc_one(&init_mm, addr);
-	if (!ptep)
-		return -ENOMEM;
-
-	pte = mk_pte(page, PAGE_RW);
-	for (i = 0; i < PTRS_PER_PTE; i++) {
-		set_pte_at(&init_mm, addr + i * PAGE_SIZE, ptep + i, pte);
-		pte_val(pte) += PAGE_SIZE;
-	}
-	page[1].index = (unsigned long) ptep;
-	return 0;
-}
-
-void arch_release_hugepage(struct page *page)
-{
-	pte_t *ptep;
-
-	if (MACHINE_HAS_HPAGE)
-		return;
-
-	ptep = (pte_t *) page[1].index;
-	if (!ptep)
-		return;
-	page_table_free(&init_mm, (unsigned long *) ptep);
-	page[1].index = 0;
-}
-
-pte_t *huge_pte_alloc(struct mm_struct *mm,
-			unsigned long addr, unsigned long sz)
-{
-	pgd_t *pgdp;
-	pud_t *pudp;
-	pmd_t *pmdp = NULL;
-
-	pgdp = pgd_offset(mm, addr);
-	pudp = pud_alloc(mm, pgdp, addr);
-	if (pudp)
-		pmdp = pmd_alloc(mm, pudp, addr);
-	return (pte_t *) pmdp;
-}
-
-pte_t *huge_pte_offset(struct mm_struct *mm, unsigned long addr)
-{
-	pgd_t *pgdp;
-	pud_t *pudp;
-	pmd_t *pmdp = NULL;
-
-	pgdp = pgd_offset(mm, addr);
-	if (pgd_present(*pgdp)) {
-		pudp = pud_offset(pgdp, addr);
-		if (pud_present(*pudp))
-			pmdp = pmd_offset(pudp, addr);
-	}
-	return (pte_t *) pmdp;
-}
-
-int huge_pmd_unshare(struct mm_struct *mm, unsigned long *addr, pte_t *ptep)
-{
-	return 0;
-}
-
-struct page *follow_huge_addr(struct mm_struct *mm, unsigned long address,
-			      int write)
-{
-	return ERR_PTR(-EINVAL);
-}
-
-int pmd_huge(pmd_t pmd)
-{
-	if (!MACHINE_HAS_HPAGE)
-		return 0;
-
-	return !!(pmd_val(pmd) & _SEGMENT_ENTRY_LARGE);
-}
-
-int pud_huge(pud_t pud)
-{
-	return 0;
-}
-
-struct page *follow_huge_pmd(struct mm_struct *mm, unsigned long address,
-			     pmd_t *pmdp, int write)
-{
-	struct page *page;
-
-	if (!MACHINE_HAS_HPAGE)
-		return NULL;
-
-	page = pmd_page(*pmdp);
-	if (page)
-		page += ((address & ~HPAGE_MASK) >> PAGE_SHIFT);
-	return page;
-}