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From: Alexey Dobriyan <adobriyan@gmail.com>
To: akpm@linux-foundation.org
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH] proc: uninline proc_create()
Date: Sat, 19 Aug 2017 12:47:02 +0300
Message-ID: <20170819094702.GA27864@avx2> (raw)

Save some code from ~320 invocations all clearing last argument.

	add/remove: 3/0 grow/shrink: 0/158 up/down: 45/-702 (-657)
	function                                     old     new   delta
	proc_create                                    -      17     +17
	__ksymtab_proc_create                          -      16     +16
	__kstrtab_proc_create                          -      12     +12
	yam_init_driver                              301     298      -3

		...

	cifs_proc_init                               249     228     -21
	via_fb_pci_probe                            2304    2280     -24

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---

 fs/proc/generic.c       |    8 ++++++++
 include/linux/proc_fs.h |    8 +-------
 2 files changed, 9 insertions(+), 7 deletions(-)

--- a/fs/proc/generic.c
+++ b/fs/proc/generic.c
@@ -499,6 +499,14 @@ struct proc_dir_entry *proc_create_data(const char *name, umode_t mode,
 }
 EXPORT_SYMBOL(proc_create_data);
  
+struct proc_dir_entry *proc_create(const char *name, umode_t mode,
+				   struct proc_dir_entry *parent,
+				   const struct file_operations *proc_fops)
+{
+	return proc_create_data(name, mode, parent, proc_fops, NULL);
+}
+EXPORT_SYMBOL(proc_create);
+
 void proc_set_size(struct proc_dir_entry *de, loff_t size)
 {
 	de->size = size;
--- a/include/linux/proc_fs.h
+++ b/include/linux/proc_fs.h
@@ -28,13 +28,7 @@ extern struct proc_dir_entry *proc_create_data(const char *, umode_t,
 					       const struct file_operations *,
 					       void *);
 
-static inline struct proc_dir_entry *proc_create(
-	const char *name, umode_t mode, struct proc_dir_entry *parent,
-	const struct file_operations *proc_fops)
-{
-	return proc_create_data(name, mode, parent, proc_fops, NULL);
-}
-
+struct proc_dir_entry *proc_create(const char *name, umode_t mode, struct proc_dir_entry *parent, const struct file_operations *proc_fops);
 extern void proc_set_size(struct proc_dir_entry *, loff_t);
 extern void proc_set_user(struct proc_dir_entry *, kuid_t, kgid_t);
 extern void *PDE_DATA(const struct inode *);

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