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-rw-r--r--fs/9p/vfs_file.c1
-rw-r--r--fs/binfmt_elf.c4
-rw-r--r--fs/binfmt_elf_fdpic.c2
-rw-r--r--fs/btrfs/file.c2
-rw-r--r--fs/ceph/addr.c2
-rw-r--r--fs/cifs/file.c1
-rw-r--r--fs/exec.c2
-rw-r--r--fs/ext4/file.c2
-rw-r--r--fs/fs-writeback.c7
-rw-r--r--fs/fuse/file.c1
-rw-r--r--fs/gfs2/file.c2
-rw-r--r--fs/hugetlbfs/inode.c11
-rw-r--r--fs/inode.c2
-rw-r--r--fs/jffs2/readinode.c13
-rw-r--r--fs/nfs/file.c1
-rw-r--r--fs/nilfs2/file.c2
-rw-r--r--fs/ocfs2/mmap.c2
-rw-r--r--fs/proc/base.c117
-rw-r--r--fs/proc/page.c8
-rw-r--r--fs/proc/proc_sysctl.c5
-rw-r--r--fs/proc/task_mmu.c2
-rw-r--r--fs/ubifs/file.c1
-rw-r--r--fs/xfs/xfs_file.c2
23 files changed, 44 insertions, 148 deletions
diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index dd6f7ee1e312..c2483e97beee 100644
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -738,6 +738,7 @@ v9fs_cached_file_write(struct file *filp, const char __user * data,
static const struct vm_operations_struct v9fs_file_vm_ops = {
.fault = filemap_fault,
.page_mkwrite = v9fs_vm_page_mkwrite,
+ .remap_pages = generic_file_remap_pages,
};
diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index 28a64e769527..e800dec958c3 100644
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -1123,7 +1123,7 @@ static unsigned long vma_dump_size(struct vm_area_struct *vma,
if (always_dump_vma(vma))
goto whole;
- if (vma->vm_flags & VM_NODUMP)
+ if (vma->vm_flags & VM_DONTDUMP)
return 0;
/* Hugetlb memory check */
@@ -1135,7 +1135,7 @@ static unsigned long vma_dump_size(struct vm_area_struct *vma,
}
/* Do not dump I/O mapped devices or special mappings */
- if (vma->vm_flags & (VM_IO | VM_RESERVED))
+ if (vma->vm_flags & VM_IO)
return 0;
/* By default, dump shared memory if mapped from an anonymous file. */
diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c
index 08d812b32282..262db114ff01 100644
--- a/fs/binfmt_elf_fdpic.c
+++ b/fs/binfmt_elf_fdpic.c
@@ -1205,7 +1205,7 @@ static int maydump(struct vm_area_struct *vma, unsigned long mm_flags)
int dump_ok;
/* Do not dump I/O mapped devices or special mappings */
- if (vma->vm_flags & (VM_IO | VM_RESERVED)) {
+ if (vma->vm_flags & VM_IO) {
kdcore("%08lx: %08lx: no (IO)", vma->vm_start, vma->vm_flags);
return 0;
}
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 5caf285c6e4d..f6b40e86121b 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -1599,6 +1599,7 @@ out:
static const struct vm_operations_struct btrfs_file_vm_ops = {
.fault = filemap_fault,
.page_mkwrite = btrfs_page_mkwrite,
+ .remap_pages = generic_file_remap_pages,
};
static int btrfs_file_mmap(struct file *filp, struct vm_area_struct *vma)
@@ -1610,7 +1611,6 @@ static int btrfs_file_mmap(struct file *filp, struct vm_area_struct *vma)
file_accessed(filp);
vma->vm_ops = &btrfs_file_vm_ops;
- vma->vm_flags |= VM_CAN_NONLINEAR;
return 0;
}
diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index 22b6e4583faa..6690269f5dde 100644
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -1224,6 +1224,7 @@ out:
static struct vm_operations_struct ceph_vmops = {
.fault = filemap_fault,
.page_mkwrite = ceph_page_mkwrite,
+ .remap_pages = generic_file_remap_pages,
};
int ceph_mmap(struct file *file, struct vm_area_struct *vma)
@@ -1234,6 +1235,5 @@ int ceph_mmap(struct file *file, struct vm_area_struct *vma)
return -ENOEXEC;
file_accessed(file);
vma->vm_ops = &ceph_vmops;
- vma->vm_flags |= VM_CAN_NONLINEAR;
return 0;
}
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 7d7bbdc4c8e7..edb25b4bbb95 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -3003,6 +3003,7 @@ cifs_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
static struct vm_operations_struct cifs_file_vm_ops = {
.fault = filemap_fault,
.page_mkwrite = cifs_page_mkwrite,
+ .remap_pages = generic_file_remap_pages,
};
int cifs_file_strict_mmap(struct file *file, struct vm_area_struct *vma)
diff --git a/fs/exec.c b/fs/exec.c
index 19f4fb80cd17..4f2bebc276c5 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -603,7 +603,7 @@ static int shift_arg_pages(struct vm_area_struct *vma, unsigned long shift)
* process cleanup to remove whatever mess we made.
*/
if (length != move_page_tables(vma, old_start,
- vma, new_start, length))
+ vma, new_start, length, false))
return -ENOMEM;
lru_add_drain();
diff --git a/fs/ext4/file.c b/fs/ext4/file.c
index ca6f07afe601..bf3966bccd34 100644
--- a/fs/ext4/file.c
+++ b/fs/ext4/file.c
@@ -207,6 +207,7 @@ ext4_file_write(struct kiocb *iocb, const struct iovec *iov,
static const struct vm_operations_struct ext4_file_vm_ops = {
.fault = filemap_fault,
.page_mkwrite = ext4_page_mkwrite,
+ .remap_pages = generic_file_remap_pages,
};
static int ext4_file_mmap(struct file *file, struct vm_area_struct *vma)
@@ -217,7 +218,6 @@ static int ext4_file_mmap(struct file *file, struct vm_area_struct *vma)
return -ENOEXEC;
file_accessed(file);
vma->vm_ops = &ext4_file_vm_ops;
- vma->vm_flags |= VM_CAN_NONLINEAR;
return 0;
}
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 8e1d7b9e4a33..401b6c6248ae 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -439,8 +439,7 @@ static void requeue_inode(struct inode *inode, struct bdi_writeback *wb,
* setting I_SYNC flag and calling inode_sync_complete() to clear it.
*/
static int
-__writeback_single_inode(struct inode *inode, struct bdi_writeback *wb,
- struct writeback_control *wbc)
+__writeback_single_inode(struct inode *inode, struct writeback_control *wbc)
{
struct address_space *mapping = inode->i_mapping;
long nr_to_write = wbc->nr_to_write;
@@ -527,7 +526,7 @@ writeback_single_inode(struct inode *inode, struct bdi_writeback *wb,
inode->i_state |= I_SYNC;
spin_unlock(&inode->i_lock);
- ret = __writeback_single_inode(inode, wb, wbc);
+ ret = __writeback_single_inode(inode, wbc);
spin_lock(&wb->list_lock);
spin_lock(&inode->i_lock);
@@ -670,7 +669,7 @@ static long writeback_sb_inodes(struct super_block *sb,
* We use I_SYNC to pin the inode in memory. While it is set
* evict_inode() will wait so the inode cannot be freed.
*/
- __writeback_single_inode(inode, wb, &wbc);
+ __writeback_single_inode(inode, &wbc);
work->nr_pages -= write_chunk - wbc.nr_to_write;
wrote += write_chunk - wbc.nr_to_write;
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index aba15f1b7ad2..78d2837bc940 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -1379,6 +1379,7 @@ static const struct vm_operations_struct fuse_file_vm_ops = {
.close = fuse_vma_close,
.fault = filemap_fault,
.page_mkwrite = fuse_page_mkwrite,
+ .remap_pages = generic_file_remap_pages,
};
static int fuse_file_mmap(struct file *file, struct vm_area_struct *vma)
diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c
index 30e21997a1a1..0def0504afc1 100644
--- a/fs/gfs2/file.c
+++ b/fs/gfs2/file.c
@@ -492,6 +492,7 @@ out:
static const struct vm_operations_struct gfs2_vm_ops = {
.fault = filemap_fault,
.page_mkwrite = gfs2_page_mkwrite,
+ .remap_pages = generic_file_remap_pages,
};
/**
@@ -526,7 +527,6 @@ static int gfs2_mmap(struct file *file, struct vm_area_struct *vma)
return error;
}
vma->vm_ops = &gfs2_vm_ops;
- vma->vm_flags |= VM_CAN_NONLINEAR;
return 0;
}
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index 9460120a5170..c5bc355d8243 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -110,7 +110,7 @@ static int hugetlbfs_file_mmap(struct file *file, struct vm_area_struct *vma)
* way when do_mmap_pgoff unwinds (may be important on powerpc
* and ia64).
*/
- vma->vm_flags |= VM_HUGETLB | VM_RESERVED;
+ vma->vm_flags |= VM_HUGETLB | VM_DONTEXPAND | VM_DONTDUMP;
vma->vm_ops = &hugetlb_vm_ops;
if (vma->vm_pgoff & (~huge_page_mask(h) >> PAGE_SHIFT))
@@ -397,17 +397,16 @@ static void hugetlbfs_evict_inode(struct inode *inode)
}
static inline void
-hugetlb_vmtruncate_list(struct prio_tree_root *root, pgoff_t pgoff)
+hugetlb_vmtruncate_list(struct rb_root *root, pgoff_t pgoff)
{
struct vm_area_struct *vma;
- struct prio_tree_iter iter;
- vma_prio_tree_foreach(vma, &iter, root, pgoff, ULONG_MAX) {
+ vma_interval_tree_foreach(vma, root, pgoff, ULONG_MAX) {
unsigned long v_offset;
/*
* Can the expression below overflow on 32-bit arches?
- * No, because the prio_tree returns us only those vmas
+ * No, because the interval tree returns us only those vmas
* which overlap the truncated area starting at pgoff,
* and no vma on a 32-bit arch can span beyond the 4GB.
*/
@@ -432,7 +431,7 @@ static int hugetlb_vmtruncate(struct inode *inode, loff_t offset)
i_size_write(inode, offset);
mutex_lock(&mapping->i_mmap_mutex);
- if (!prio_tree_empty(&mapping->i_mmap))
+ if (!RB_EMPTY_ROOT(&mapping->i_mmap))
hugetlb_vmtruncate_list(&mapping->i_mmap, pgoff);
mutex_unlock(&mapping->i_mmap_mutex);
truncate_hugepages(inode, offset);
diff --git a/fs/inode.c b/fs/inode.c
index ac8d904b3f16..b03c71957246 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -348,7 +348,7 @@ void address_space_init_once(struct address_space *mapping)
mutex_init(&mapping->i_mmap_mutex);
INIT_LIST_HEAD(&mapping->private_list);
spin_lock_init(&mapping->private_lock);
- INIT_RAW_PRIO_TREE_ROOT(&mapping->i_mmap);
+ mapping->i_mmap = RB_ROOT;
INIT_LIST_HEAD(&mapping->i_mmap_nonlinear);
}
EXPORT_SYMBOL(address_space_init_once);
diff --git a/fs/jffs2/readinode.c b/fs/jffs2/readinode.c
index 1ea349fff68b..ae81b01e6fd7 100644
--- a/fs/jffs2/readinode.c
+++ b/fs/jffs2/readinode.c
@@ -394,8 +394,11 @@ static int jffs2_add_tn_to_tree(struct jffs2_sb_info *c,
}
/* Trivial function to remove the last node in the tree. Which by definition
- has no right-hand -- so can be removed just by making its only child (if
- any) take its place under its parent. */
+ has no right-hand child — so can be removed just by making its left-hand
+ child (if any) take its place under its parent. Since this is only done
+ when we're consuming the whole tree, there's no need to use rb_erase()
+ and let it worry about adjusting colours and balancing the tree. That
+ would just be a waste of time. */
static void eat_last(struct rb_root *root, struct rb_node *node)
{
struct rb_node *parent = rb_parent(node);
@@ -412,12 +415,12 @@ static void eat_last(struct rb_root *root, struct rb_node *node)
link = &parent->rb_right;
*link = node->rb_left;
- /* Colour doesn't matter now. Only the parent pointer. */
if (node->rb_left)
- node->rb_left->rb_parent_color = node->rb_parent_color;
+ node->rb_left->__rb_parent_color = node->__rb_parent_color;
}
-/* We put this in reverse order, so we can just use eat_last */
+/* We put the version tree in reverse order, so we can use the same eat_last()
+ function that we use to consume the tmpnode tree (tn_root). */
static void ver_insert(struct rb_root *ver_root, struct jffs2_tmp_dnode_info *tn)
{
struct rb_node **link = &ver_root->rb_node;
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index 6a7fcab7ecb3..f692be97676d 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -578,6 +578,7 @@ out:
static const struct vm_operations_struct nfs_file_vm_ops = {
.fault = filemap_fault,
.page_mkwrite = nfs_vm_page_mkwrite,
+ .remap_pages = generic_file_remap_pages,
};
static int nfs_need_sync_write(struct file *filp, struct inode *inode)
diff --git a/fs/nilfs2/file.c b/fs/nilfs2/file.c
index 5b387a4c293e..16f35f7423c5 100644
--- a/fs/nilfs2/file.c
+++ b/fs/nilfs2/file.c
@@ -135,13 +135,13 @@ static int nilfs_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
static const struct vm_operations_struct nilfs_file_vm_ops = {
.fault = filemap_fault,
.page_mkwrite = nilfs_page_mkwrite,
+ .remap_pages = generic_file_remap_pages,
};
static int nilfs_file_mmap(struct file *file, struct vm_area_struct *vma)
{
file_accessed(file);
vma->vm_ops = &nilfs_file_vm_ops;
- vma->vm_flags |= VM_CAN_NONLINEAR;
return 0;
}
diff --git a/fs/ocfs2/mmap.c b/fs/ocfs2/mmap.c
index d150372fd81d..47a87dda54ce 100644
--- a/fs/ocfs2/mmap.c
+++ b/fs/ocfs2/mmap.c
@@ -173,6 +173,7 @@ out:
static const struct vm_operations_struct ocfs2_file_vm_ops = {
.fault = ocfs2_fault,
.page_mkwrite = ocfs2_page_mkwrite,
+ .remap_pages = generic_file_remap_pages,
};
int ocfs2_mmap(struct file *file, struct vm_area_struct *vma)
@@ -188,7 +189,6 @@ int ocfs2_mmap(struct file *file, struct vm_area_struct *vma)
ocfs2_inode_unlock(file->f_dentry->d_inode, lock_level);
out:
vma->vm_ops = &ocfs2_file_vm_ops;
- vma->vm_flags |= VM_CAN_NONLINEAR;
return 0;
}
diff --git a/fs/proc/base.c b/fs/proc/base.c
index d295af993677..ef5c84be66f9 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -873,111 +873,6 @@ static const struct file_operations proc_environ_operations = {
.release = mem_release,
};
-static ssize_t oom_adjust_read(struct file *file, char __user *buf,
- size_t count, loff_t *ppos)
-{
- struct task_struct *task = get_proc_task(file->f_path.dentry->d_inode);
- char buffer[PROC_NUMBUF];
- size_t len;
- int oom_adjust = OOM_DISABLE;
- unsigned long flags;
-
- if (!task)
- return -ESRCH;
-
- if (lock_task_sighand(task, &flags)) {
- oom_adjust = task->signal->oom_adj;
- unlock_task_sighand(task, &flags);
- }
-
- put_task_struct(task);
-
- len = snprintf(buffer, sizeof(buffer), "%i\n", oom_adjust);
-
- return simple_read_from_buffer(buf, count, ppos, buffer, len);
-}
-
-static ssize_t oom_adjust_write(struct file *file, const char __user *buf,
- size_t count, loff_t *ppos)
-{
- struct task_struct *task;
- char buffer[PROC_NUMBUF];
- int oom_adjust;
- unsigned long flags;
- int err;
-
- memset(buffer, 0, sizeof(buffer));
- if (count > sizeof(buffer) - 1)
- count = sizeof(buffer) - 1;
- if (copy_from_user(buffer, buf, count)) {
- err = -EFAULT;
- goto out;
- }
-
- err = kstrtoint(strstrip(buffer), 0, &oom_adjust);
- if (err)
- goto out;
- if ((oom_adjust < OOM_ADJUST_MIN || oom_adjust > OOM_ADJUST_MAX) &&
- oom_adjust != OOM_DISABLE) {
- err = -EINVAL;
- goto out;
- }
-
- task = get_proc_task(file->f_path.dentry->d_inode);
- if (!task) {
- err = -ESRCH;
- goto out;
- }
-
- task_lock(task);
- if (!task->mm) {
- err = -EINVAL;
- goto err_task_lock;
- }
-
- if (!lock_task_sighand(task, &flags)) {
- err = -ESRCH;
- goto err_task_lock;
- }
-
- if (oom_adjust < task->signal->oom_adj && !capable(CAP_SYS_RESOURCE)) {
- err = -EACCES;
- goto err_sighand;
- }
-
- /*
- * Warn that /proc/pid/oom_adj is deprecated, see
- * Documentation/feature-removal-schedule.txt.
- */
- printk_once(KERN_WARNING "%s (%d): /proc/%d/oom_adj is deprecated, please use /proc/%d/oom_score_adj instead.\n",
- current->comm, task_pid_nr(current), task_pid_nr(task),
- task_pid_nr(task));
- task->signal->oom_adj = oom_adjust;
- /*
- * Scale /proc/pid/oom_score_adj appropriately ensuring that a maximum
- * value is always attainable.
- */
- if (task->signal->oom_adj == OOM_ADJUST_MAX)
- task->signal->oom_score_adj = OOM_SCORE_ADJ_MAX;
- else
- task->signal->oom_score_adj = (oom_adjust * OOM_SCORE_ADJ_MAX) /
- -OOM_DISABLE;
- trace_oom_score_adj_update(task);
-err_sighand:
- unlock_task_sighand(task, &flags);
-err_task_lock:
- task_unlock(task);
- put_task_struct(task);
-out:
- return err < 0 ? err : count;
-}
-
-static const struct file_operations proc_oom_adjust_operations = {
- .read = oom_adjust_read,
- .write = oom_adjust_write,
- .llseek = generic_file_llseek,
-};
-
static ssize_t oom_score_adj_read(struct file *file, char __user *buf,
size_t count, loff_t *ppos)
{
@@ -1051,15 +946,7 @@ static ssize_t oom_score_adj_write(struct file *file, const char __user *buf,
if (has_capability_noaudit(current, CAP_SYS_RESOURCE))
task->signal->oom_score_adj_min = oom_score_adj;
trace_oom_score_adj_update(task);
- /*
- * Scale /proc/pid/oom_adj appropriately ensuring that OOM_DISABLE is
- * always attainable.
- */
- if (task->signal->oom_score_adj == OOM_SCORE_ADJ_MIN)
- task->signal->oom_adj = OOM_DISABLE;
- else
- task->signal->oom_adj = (oom_score_adj * OOM_ADJUST_MAX) /
- OOM_SCORE_ADJ_MAX;
+
err_sighand:
unlock_task_sighand(task, &flags);
err_task_lock:
@@ -2710,7 +2597,6 @@ static const struct pid_entry tgid_base_stuff[] = {
REG("cgroup", S_IRUGO, proc_cgroup_operations),
#endif
INF("oom_score", S_IRUGO, proc_oom_score),
- REG("oom_adj", S_IRUGO|S_IWUSR, proc_oom_adjust_operations),
REG("oom_score_adj", S_IRUGO|S_IWUSR, proc_oom_score_adj_operations),
#ifdef CONFIG_AUDITSYSCALL
REG("loginuid", S_IWUSR|S_IRUGO, proc_loginuid_operations),
@@ -3077,7 +2963,6 @@ static const struct pid_entry tid_base_stuff[] = {
REG("cgroup", S_IRUGO, proc_cgroup_operations),
#endif
INF("oom_score", S_IRUGO, proc_oom_score),
- REG("oom_adj", S_IRUGO|S_IWUSR, proc_oom_adjust_operations),
REG("oom_score_adj", S_IRUGO|S_IWUSR, proc_oom_score_adj_operations),
#ifdef CONFIG_AUDITSYSCALL
REG("loginuid", S_IWUSR|S_IRUGO, proc_loginuid_operations),
diff --git a/fs/proc/page.c b/fs/proc/page.c
index 7fcd0d60a968..b8730d9ebaee 100644
--- a/fs/proc/page.c
+++ b/fs/proc/page.c
@@ -115,7 +115,13 @@ u64 stable_page_flags(struct page *page)
u |= 1 << KPF_COMPOUND_TAIL;
if (PageHuge(page))
u |= 1 << KPF_HUGE;
- else if (PageTransCompound(page))
+ /*
+ * PageTransCompound can be true for non-huge compound pages (slab
+ * pages or pages allocated by drivers with __GFP_COMP) because it
+ * just checks PG_head/PG_tail, so we need to check PageLRU to make
+ * sure a given page is a thp, not a non-huge compound page.
+ */
+ else if (PageTransCompound(page) && PageLRU(compound_trans_head(page)))
u |= 1 << KPF_THP;
/*
diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c
index dcd56f84db7e..a781bdf06694 100644
--- a/fs/proc/proc_sysctl.c
+++ b/fs/proc/proc_sysctl.c
@@ -142,6 +142,7 @@ static int insert_entry(struct ctl_table_header *head, struct ctl_table *entry)
}
rb_link_node(node, parent, p);
+ rb_insert_color(node, &head->parent->root);
return 0;
}
@@ -168,10 +169,8 @@ static void init_header(struct ctl_table_header *head,
head->node = node;
if (node) {
struct ctl_table *entry;
- for (entry = table; entry->procname; entry++, node++) {
- rb_init_node(&node->node);
+ for (entry = table; entry->procname; entry++, node++)
node->header = head;
- }
}
}
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 4540b8f76f16..79827ce03e3b 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -54,7 +54,7 @@ void task_mem(struct seq_file *m, struct mm_struct *mm)
"VmPTE:\t%8lu kB\n"
"VmSwap:\t%8lu kB\n",
hiwater_vm << (PAGE_SHIFT-10),
- (total_vm - mm->reserved_vm) << (PAGE_SHIFT-10),
+ total_vm << (PAGE_SHIFT-10),
mm->locked_vm << (PAGE_SHIFT-10),
mm->pinned_vm << (PAGE_SHIFT-10),
hiwater_rss << (PAGE_SHIFT-10),
diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c
index ff48c5a85309..5bc77817f382 100644
--- a/fs/ubifs/file.c
+++ b/fs/ubifs/file.c
@@ -1536,6 +1536,7 @@ out_unlock:
static const struct vm_operations_struct ubifs_file_vm_ops = {
.fault = filemap_fault,
.page_mkwrite = ubifs_vm_page_mkwrite,
+ .remap_pages = generic_file_remap_pages,
};
static int ubifs_file_mmap(struct file *file, struct vm_area_struct *vma)
diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
index 1eaeb8be3aae..aa473fa640a2 100644
--- a/fs/xfs/xfs_file.c
+++ b/fs/xfs/xfs_file.c
@@ -940,7 +940,6 @@ xfs_file_mmap(
struct vm_area_struct *vma)
{
vma->vm_ops = &xfs_file_vm_ops;
- vma->vm_flags |= VM_CAN_NONLINEAR;
file_accessed(filp);
return 0;
@@ -1443,4 +1442,5 @@ const struct file_operations xfs_dir_file_operations = {
static const struct vm_operations_struct xfs_file_vm_ops = {
.fault = filemap_fault,
.page_mkwrite = xfs_vm_page_mkwrite,
+ .remap_pages = generic_file_remap_pages,
};