1 files changed, 18 insertions, 21 deletions

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index b336690be9f..c65a8a583d1 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -127,7 +127,7 @@ static inline struct hugepage_subpool *subpool_inode(struct inode *inode)
 
 static inline struct hugepage_subpool *subpool_vma(struct vm_area_struct *vma)
 {
-	return subpool_inode(vma->vm_file->f_dentry->d_inode);
+	return subpool_inode(file_inode(vma->vm_file));
 }
 
 /*
@@ -1293,8 +1293,7 @@ static void __init report_hugepages(void)
 
 	for_each_hstate(h) {
 		char buf[32];
-		printk(KERN_INFO "HugeTLB registered %s page size, "
-				 "pre-allocated %ld pages\n",
+		pr_info("HugeTLB registered %s page size, pre-allocated %ld pages\n",
 			memfmt(buf, huge_page_size(h)),
 			h->free_huge_pages);
 	}
@@ -1702,8 +1701,7 @@ static void __init hugetlb_sysfs_init(void)
 		err = hugetlb_sysfs_add_hstate(h, hugepages_kobj,
 					 hstate_kobjs, &hstate_attr_group);
 		if (err)
-			printk(KERN_ERR "Hugetlb: Unable to add hstate %s",
-								h->name);
+			pr_err("Hugetlb: Unable to add hstate %s", h->name);
 	}
 }
 
@@ -1826,9 +1824,8 @@ static void hugetlb_register_node(struct node *node)
 						nhs->hstate_kobjs,
 						&per_node_hstate_attr_group);
 		if (err) {
-			printk(KERN_ERR "Hugetlb: Unable to add hstate %s"
-					" for node %d\n",
-						h->name, node->dev.id);
+			pr_err("Hugetlb: Unable to add hstate %s for node %d\n",
+				h->name, node->dev.id);
 			hugetlb_unregister_node(node);
 			break;
 		}
@@ -1924,7 +1921,7 @@ void __init hugetlb_add_hstate(unsigned order)
 	unsigned long i;
 
 	if (size_to_hstate(PAGE_SIZE << order)) {
-		printk(KERN_WARNING "hugepagesz= specified twice, ignoring\n");
+		pr_warning("hugepagesz= specified twice, ignoring\n");
 		return;
 	}
 	BUG_ON(hugetlb_max_hstate >= HUGE_MAX_HSTATE);
@@ -1960,8 +1957,8 @@ static int __init hugetlb_nrpages_setup(char *s)
 		mhp = &parsed_hstate->max_huge_pages;
 
 	if (mhp == last_mhp) {
-		printk(KERN_WARNING "hugepages= specified twice without "
-			"interleaving hugepagesz=, ignoring\n");
+		pr_warning("hugepages= specified twice without "
+			   "interleaving hugepagesz=, ignoring\n");
 		return 1;
 	}
 
@@ -2482,7 +2479,7 @@ static int unmap_ref_private(struct mm_struct *mm, struct vm_area_struct *vma,
 	address = address & huge_page_mask(h);
 	pgoff = ((address - vma->vm_start) >> PAGE_SHIFT) +
 			vma->vm_pgoff;
-	mapping = vma->vm_file->f_dentry->d_inode->i_mapping;
+	mapping = file_inode(vma->vm_file)->i_mapping;
 
 	/*
 	 * Take the mapping lock for the duration of the table walk. As
@@ -2692,9 +2689,8 @@ static int hugetlb_no_page(struct mm_struct *mm, struct vm_area_struct *vma,
 	 * COW. Warn that such a situation has occurred as it may not be obvious
 	 */
 	if (is_vma_resv_set(vma, HPAGE_RESV_UNMAPPED)) {
-		printk(KERN_WARNING
-			"PID %d killed due to inadequate hugepage pool\n",
-			current->pid);
+		pr_warning("PID %d killed due to inadequate hugepage pool\n",
+			   current->pid);
 		return ret;
 	}
 
@@ -2924,14 +2920,14 @@ follow_huge_pud(struct mm_struct *mm, unsigned long address,
 	return NULL;
 }
 
-int follow_hugetlb_page(struct mm_struct *mm, struct vm_area_struct *vma,
-			struct page **pages, struct vm_area_struct **vmas,
-			unsigned long *position, int *length, int i,
-			unsigned int flags)
+long follow_hugetlb_page(struct mm_struct *mm, struct vm_area_struct *vma,
+			 struct page **pages, struct vm_area_struct **vmas,
+			 unsigned long *position, unsigned long *nr_pages,
+			 long i, unsigned int flags)
 {
 	unsigned long pfn_offset;
 	unsigned long vaddr = *position;
-	int remainder = *length;
+	unsigned long remainder = *nr_pages;
 	struct hstate *h = hstate_vma(vma);
 
 	spin_lock(&mm->page_table_lock);
@@ -3001,7 +2997,7 @@ same_page:
 		}
 	}
 	spin_unlock(&mm->page_table_lock);
-	*length = remainder;
+	*nr_pages = remainder;
 	*position = vaddr;
 
 	return i ? i : -EFAULT;
@@ -3033,6 +3029,7 @@ unsigned long hugetlb_change_protection(struct vm_area_struct *vma,
 		if (!huge_pte_none(huge_ptep_get(ptep))) {
 			pte = huge_ptep_get_and_clear(mm, address, ptep);
 			pte = pte_mkhuge(pte_modify(pte, newprot));
+			pte = arch_make_huge_pte(pte, vma, NULL, 0);
 			set_huge_pte_at(mm, address, ptep, pte);
 			pages++;
 		}