Merge branch 'akpm' (patches from Andrew)

Merge updates from Andrew Morton:

 - a few misc things

 - ocfs2 updates

 - v9fs updates

 - MM

 - procfs updates

 - lib/ updates

 - autofs updates

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (118 commits)
  autofs: small cleanup in autofs_getpath()
  autofs: clean up includes
  autofs: comment on selinux changes needed for module autoload
  autofs: update MAINTAINERS entry for autofs
  autofs: use autofs instead of autofs4 in documentation
  autofs: rename autofs documentation files
  autofs: create autofs Kconfig and Makefile
  autofs: delete fs/autofs4 source files
  autofs: update fs/autofs4/Makefile
  autofs: update fs/autofs4/Kconfig
  autofs: copy autofs4 to autofs
  autofs4: use autofs instead of autofs4 everywhere
  autofs4: merge auto_fs.h and auto_fs4.h
  fs/binfmt_misc.c: do not allow offset overflow
  checkpatch: improve patch recognition
  lib/ucs2_string.c: add MODULE_LICENSE()
  lib/mpi: headers cleanup
  lib/percpu_ida.c: use _irqsave() instead of local_irq_save() + spin_lock
  lib/idr.c: remove simple_ida_lock
  lib/bitmap.c: micro-optimization for __bitmap_complement()
  ...

1 files changed, 22 insertions, 22 deletions

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 129088710510..696befffe6f7 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -3159,7 +3159,7 @@ static unsigned long hugetlb_vm_op_pagesize(struct vm_area_struct *vma)
  * hugegpage VMA.  do_page_fault() is supposed to trap this, so BUG is we get
  * this far.
  */
-static int hugetlb_vm_op_fault(struct vm_fault *vmf)
+static vm_fault_t hugetlb_vm_op_fault(struct vm_fault *vmf)
 {
 	BUG();
 	return 0;
@@ -3686,6 +3686,7 @@ static int hugetlb_no_page(struct mm_struct *mm, struct vm_area_struct *vma,
 	struct page *page;
 	pte_t new_pte;
 	spinlock_t *ptl;
+	unsigned long haddr = address & huge_page_mask(h);
 
 	/*
 	 * Currently, we are forced to kill the process in the event the
@@ -3716,7 +3717,7 @@ retry:
 			u32 hash;
 			struct vm_fault vmf = {
 				.vma = vma,
-				.address = address,
+				.address = haddr,
 				.flags = flags,
 				/*
 				 * Hard to debug if it ends up being
@@ -3733,14 +3734,14 @@ retry:
 			 * fault to make calling code simpler.
 			 */
 			hash = hugetlb_fault_mutex_hash(h, mm, vma, mapping,
-							idx, address);
+							idx, haddr);
 			mutex_unlock(&hugetlb_fault_mutex_table[hash]);
 			ret = handle_userfault(&vmf, VM_UFFD_MISSING);
 			mutex_lock(&hugetlb_fault_mutex_table[hash]);
 			goto out;
 		}
 
-		page = alloc_huge_page(vma, address, 0);
+		page = alloc_huge_page(vma, haddr, 0);
 		if (IS_ERR(page)) {
 			ret = PTR_ERR(page);
 			if (ret == -ENOMEM)
@@ -3789,12 +3790,12 @@ retry:
 	 * the spinlock.
 	 */
 	if ((flags & FAULT_FLAG_WRITE) && !(vma->vm_flags & VM_SHARED)) {
-		if (vma_needs_reservation(h, vma, address) < 0) {
+		if (vma_needs_reservation(h, vma, haddr) < 0) {
 			ret = VM_FAULT_OOM;
 			goto backout_unlocked;
 		}
 		/* Just decrements count, does not deallocate */
-		vma_end_reservation(h, vma, address);
+		vma_end_reservation(h, vma, haddr);
 	}
 
 	ptl = huge_pte_lock(h, mm, ptep);
@@ -3808,17 +3809,17 @@ retry:
 
 	if (anon_rmap) {
 		ClearPagePrivate(page);
-		hugepage_add_new_anon_rmap(page, vma, address);
+		hugepage_add_new_anon_rmap(page, vma, haddr);
 	} else
 		page_dup_rmap(page, true);
 	new_pte = make_huge_pte(vma, page, ((vma->vm_flags & VM_WRITE)
 				&& (vma->vm_flags & VM_SHARED)));
-	set_huge_pte_at(mm, address, ptep, new_pte);
+	set_huge_pte_at(mm, haddr, ptep, new_pte);
 
 	hugetlb_count_add(pages_per_huge_page(h), mm);
 	if ((flags & FAULT_FLAG_WRITE) && !(vma->vm_flags & VM_SHARED)) {
 		/* Optimization, do the COW without a second fault */
-		ret = hugetlb_cow(mm, vma, address, ptep, page, ptl);
+		ret = hugetlb_cow(mm, vma, haddr, ptep, page, ptl);
 	}
 
 	spin_unlock(ptl);
@@ -3830,7 +3831,7 @@ backout:
 	spin_unlock(ptl);
 backout_unlocked:
 	unlock_page(page);
-	restore_reserve_on_error(h, vma, address, page);
+	restore_reserve_on_error(h, vma, haddr, page);
 	put_page(page);
 	goto out;
 }
@@ -3883,10 +3884,9 @@ int hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma,
 	struct hstate *h = hstate_vma(vma);
 	struct address_space *mapping;
 	int need_wait_lock = 0;
+	unsigned long haddr = address & huge_page_mask(h);
 
-	address &= huge_page_mask(h);
-
-	ptep = huge_pte_offset(mm, address, huge_page_size(h));
+	ptep = huge_pte_offset(mm, haddr, huge_page_size(h));
 	if (ptep) {
 		entry = huge_ptep_get(ptep);
 		if (unlikely(is_hugetlb_entry_migration(entry))) {
@@ -3896,20 +3896,20 @@ int hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma,
 			return VM_FAULT_HWPOISON_LARGE |
 				VM_FAULT_SET_HINDEX(hstate_index(h));
 	} else {
-		ptep = huge_pte_alloc(mm, address, huge_page_size(h));
+		ptep = huge_pte_alloc(mm, haddr, huge_page_size(h));
 		if (!ptep)
 			return VM_FAULT_OOM;
 	}
 
 	mapping = vma->vm_file->f_mapping;
-	idx = vma_hugecache_offset(h, vma, address);
+	idx = vma_hugecache_offset(h, vma, haddr);
 
 	/*
 	 * Serialize hugepage allocation and instantiation, so that we don't
 	 * get spurious allocation failures if two CPUs race to instantiate
 	 * the same page in the page cache.
 	 */
-	hash = hugetlb_fault_mutex_hash(h, mm, vma, mapping, idx, address);
+	hash = hugetlb_fault_mutex_hash(h, mm, vma, mapping, idx, haddr);
 	mutex_lock(&hugetlb_fault_mutex_table[hash]);
 
 	entry = huge_ptep_get(ptep);
@@ -3939,16 +3939,16 @@ int hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma,
 	 * consumed.
 	 */
 	if ((flags & FAULT_FLAG_WRITE) && !huge_pte_write(entry)) {
-		if (vma_needs_reservation(h, vma, address) < 0) {
+		if (vma_needs_reservation(h, vma, haddr) < 0) {
 			ret = VM_FAULT_OOM;
 			goto out_mutex;
 		}
 		/* Just decrements count, does not deallocate */
-		vma_end_reservation(h, vma, address);
+		vma_end_reservation(h, vma, haddr);
 
 		if (!(vma->vm_flags & VM_MAYSHARE))
 			pagecache_page = hugetlbfs_pagecache_page(h,
-								vma, address);
+								vma, haddr);
 	}
 
 	ptl = huge_pte_lock(h, mm, ptep);
@@ -3973,16 +3973,16 @@ int hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma,
 
 	if (flags & FAULT_FLAG_WRITE) {
 		if (!huge_pte_write(entry)) {
-			ret = hugetlb_cow(mm, vma, address, ptep,
+			ret = hugetlb_cow(mm, vma, haddr, ptep,
 					  pagecache_page, ptl);
 			goto out_put_page;
 		}
 		entry = huge_pte_mkdirty(entry);
 	}
 	entry = pte_mkyoung(entry);
-	if (huge_ptep_set_access_flags(vma, address, ptep, entry,
+	if (huge_ptep_set_access_flags(vma, haddr, ptep, entry,
 						flags & FAULT_FLAG_WRITE))
-		update_mmu_cache(vma, address, ptep);
+		update_mmu_cache(vma, haddr, ptep);
 out_put_page:
 	if (page != pagecache_page)
 		unlock_page(page);