linux-kernel - [PATCH 5/5] proc: Inline m_next_vma into m

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Date:   Sat, 29 Feb 2020 08:59:10 -0800
From:   Matthew Wilcox <willy@...radead.org>
To:     linux-fsdevel@...r.kernel.org,
        Alexey Dobriyan <adobriyan@...il.com>
Cc:     "Matthew Wilcox (Oracle)" <willy@...radead.org>,
        linux-kernel@...r.kernel.org
Subject: [PATCH 5/5] proc: Inline m_next_vma into m_next

From: "Matthew Wilcox (Oracle)" <willy@...radead.org>

It's clearer to just put this inline.

Signed-off-by: Matthew Wilcox (Oracle) <willy@...radead.org>
---
 fs/proc/task_mmu.c | 18 ++++++++----------
 1 file changed, 8 insertions(+), 10 deletions(-)

diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 9f10ef72b839..87641df8c0d0 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -123,14 +123,6 @@ static void release_task_mempolicy(struct proc_maps_private *priv)
 }
 #endif
 
-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;
@@ -173,9 +165,15 @@ static void *m_start(struct seq_file *m, loff_t *ppos)
 static void *m_next(struct seq_file *m, void *v, loff_t *ppos)
 {
 	struct proc_maps_private *priv = m->private;
-	struct vm_area_struct *next;
+	struct vm_area_struct *next, *vma = v;
+
+	if (vma == priv->tail_vma)
+		next = NULL;
+	else if (vma->vm_next)
+		next = vma->vm_next;
+	else
+		next = priv->tail_vma;
 
-	next = m_next_vma(priv, v);
 	*ppos = next ? next->vm_start : -1UL;
 
 	return next;
-- 
2.25.0