[merged] fs-proc-task_mmuc-introduce-m_next_vma-helper.patch removed from -mm tree

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The patch titled
     Subject: fs/proc/task_mmu.c: introduce m_next_vma() helper
has been removed from the -mm tree.  Its filename was
     fs-proc-task_mmuc-introduce-m_next_vma-helper.patch

This patch was dropped because it was merged into mainline or a subsystem tree

------------------------------------------------------
From: Oleg Nesterov <oleg@xxxxxxxxxx>
Subject: fs/proc/task_mmu.c: introduce m_next_vma() helper

Extract the tail_vma/vm_next calculation from m_next() into the new
trivial helper, m_next_vma().

Signed-off-by: Oleg Nesterov <oleg@xxxxxxxxxx>
Cc: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>
Cc: Cyrill Gorcunov <gorcunov@xxxxxxxxxx>
Cc: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 fs/proc/task_mmu.c |   15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff -puN fs/proc/task_mmu.c~fs-proc-task_mmuc-introduce-m_next_vma-helper fs/proc/task_mmu.c
--- a/fs/proc/task_mmu.c~fs-proc-task_mmuc-introduce-m_next_vma-helper
+++ a/fs/proc/task_mmu.c
@@ -138,6 +138,14 @@ static void vma_stop(struct proc_maps_pr
 	mmput(mm);
 }
 
+static struct vm_area_struct *
+m_next_vma(struct proc_maps_private *priv, struct vm_area_struct *vma)
+{
+	if (vma == priv->tail_vma)
+		return NULL;
+	return vma->vm_next ?: priv->tail_vma;
+}
+
 static void *m_start(struct seq_file *m, loff_t *ppos)
 {
 	struct proc_maps_private *priv = m->private;
@@ -173,13 +181,10 @@ static void *m_start(struct seq_file *m,
 static void *m_next(struct seq_file *m, void *v, loff_t *pos)
 {
 	struct proc_maps_private *priv = m->private;
-	struct vm_area_struct *tail_vma = priv->tail_vma;
-	struct vm_area_struct *vma = v, *next = NULL;
+	struct vm_area_struct *next;
 
 	(*pos)++;
-	if (vma != tail_vma)
-		next = vma->vm_next ?: tail_vma;
-
+	next = m_next_vma(priv, v);
 	if (!next)
 		vma_stop(priv);
 	return next;
_

Patches currently in -mm which might be from oleg@xxxxxxxxxx are

origin.patch
signal-use-build_bug-instead-of-_nsig_words_is_unsupported_size.patch
signal-use-build_bug-instead-of-_nsig_words_is_unsupported_sizefix.patch
coredump-add-%i-%i-in-core_pattern-to-report-the-tid-of-the-crashed-thread.patch
ipc-shm-kill-the-historical-wrong-mm-start_stack-check.patch
linux-next.patch

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