linux-kernel - [PATCH v2 7/8] mm/zsmalloc: add __init,_

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Message-Id: <1467614999-4326-7-git-send-email-opensource.ganesh@gmail.com>
Date:	Mon,  4 Jul 2016 14:49:58 +0800
From:	Ganesh Mahendran <opensource.ganesh@...il.com>
To:	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Cc:	akpm@...ux-foundation.org, minchan@...nel.org, ngupta@...are.org,
	sergey.senozhatsky.work@...il.com, rostedt@...dmis.org,
	mingo@...hat.com, Ganesh Mahendran <opensource.ganesh@...il.com>
Subject: [PATCH v2 7/8] mm/zsmalloc: add __init,__exit attribute

Add __init,__exit attribute for function that only called in
module init/exit to save memory.

Signed-off-by: Ganesh Mahendran <opensource.ganesh@...il.com>
----
v2:
    add __init/__exit for zs_register_cpu_notifier/zs_unregister_cpu_notifier
---
 mm/zsmalloc.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index df804b8..756f839 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -1314,7 +1314,7 @@ static struct notifier_block zs_cpu_nb = {
 	.notifier_call = zs_cpu_notifier
 };
 
-static int zs_register_cpu_notifier(void)
+static int __init zs_register_cpu_notifier(void)
 {
 	int cpu, uninitialized_var(ret);
 
@@ -1331,7 +1331,7 @@ static int zs_register_cpu_notifier(void)
 	return notifier_to_errno(ret);
 }
 
-static void zs_unregister_cpu_notifier(void)
+static void __exit zs_unregister_cpu_notifier(void)
 {
 	int cpu;
 
@@ -1344,7 +1344,7 @@ static void zs_unregister_cpu_notifier(void)
 	cpu_notifier_register_done();
 }
 
-static void init_zs_size_classes(void)
+static void __init init_zs_size_classes(void)
 {
 	int nr;
 
@@ -1887,7 +1887,7 @@ static struct file_system_type zsmalloc_fs = {
 	.kill_sb	= kill_anon_super,
 };
 
-static int zsmalloc_mount(void)
+static int __init zsmalloc_mount(void)
 {
 	int ret = 0;
 
@@ -1898,7 +1898,7 @@ static int zsmalloc_mount(void)
 	return ret;
 }
 
-static void zsmalloc_unmount(void)
+static void __exit zsmalloc_unmount(void)
 {
 	kern_unmount(zsmalloc_mnt);
 }
-- 
1.9.1