The patch titled
Subject: fs/proc/task_nommu.c: change maps_open() to use __seq_open_private()
has been added to the -mm tree. Its filename is
fs-proc-task_nommuc-change-maps_open-to-use-__seq_open_private.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/fs-proc-task_nommuc-change-maps_open-to-use-__seq_open_private.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/fs-proc-task_nommuc-change-maps_open-to-use-__seq_open_private.patch
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------------------------------------------------------
From: Oleg Nesterov <oleg@xxxxxxxxxx>
Subject: fs/proc/task_nommu.c: change maps_open() to use __seq_open_private()
Cleanup and preparation. maps_open() can use __seq_open_private()
like proc_maps_open() does.
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_nommu.c | 20 ++++++--------------
1 file changed, 6 insertions(+), 14 deletions(-)
diff -puN fs/proc/task_nommu.c~fs-proc-task_nommuc-change-maps_open-to-use-__seq_open_private fs/proc/task_nommu.c
--- a/fs/proc/task_nommu.c~fs-proc-task_nommuc-change-maps_open-to-use-__seq_open_private
+++ a/fs/proc/task_nommu.c
@@ -268,21 +268,13 @@ static const struct seq_operations proc_
static int maps_open(struct inode *inode, struct file *file,
const struct seq_operations *ops)
{
- struct proc_maps_private *priv;
- int ret = -ENOMEM;
+ struct proc_maps_private *priv = __seq_open_private(file, ops,
+ sizeof(struct proc_maps_private));
+ if (!priv)
+ return -ENOMEM;
- priv = kzalloc(sizeof(*priv), GFP_KERNEL);
- if (priv) {
- priv->pid = proc_pid(inode);
- ret = seq_open(file, ops);
- if (!ret) {
- struct seq_file *m = file->private_data;
- m->private = priv;
- } else {
- kfree(priv);
- }
- }
- return ret;
+ priv->pid = proc_pid(inode);
+ return 0;
}
static int pid_maps_open(struct inode *inode, struct file *file)
_
Patches currently in -mm which might be from oleg@xxxxxxxxxx are
origin.patch
earlyprintk-re-enable-earlyprintk-calling-early_param.patch
fs-proc-task_mmuc-dont-use-task-mm-in-m_start-and-show_map.patch
fs-proc-task_mmuc-unify-simplify-do_maps_open-and-numa_maps_open.patch
proc-introduce-proc_mem_open.patch
fs-proc-task_mmuc-shift-mm_access-from-m_start-to-proc_maps_open.patch
fs-proc-task_mmuc-simplify-the-vma_stop-logic.patch
fs-proc-task_mmuc-cleanup-the-tail_vma-horror-in-m_next.patch
fs-proc-task_mmuc-shift-priv-task-=-null-from-m_start-to-m_stop.patch
fs-proc-task_mmuc-kill-the-suboptimal-and-confusing-m-version-logic.patch
fs-proc-task_mmuc-simplify-m_start-to-make-it-readable.patch
fs-proc-task_mmuc-introduce-m_next_vma-helper.patch
fs-proc-task_mmuc-reintroduce-m-version-logic.patch
fs-proc-task_mmuc-update-m-version-in-the-main-loop-in-m_start.patch
fs-proc-task_nommuc-change-maps_open-to-use-__seq_open_private.patch
fs-proc-task_nommuc-shift-mm_access-from-m_start-to-proc_maps_open.patch
fs-proc-task_nommuc-dont-use-priv-task-mm.patch
linux-next.patch
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