linux-kernel - [PATCH] mm/page_owner: Make early_page_owner_param _

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Date:   Wed, 17 Jan 2018 11:47:36 +0800
From:   Dou Liyang <douly.fnst@...fujitsu.com>
To:     <linux-kernel@...r.kernel.org>
CC:     Dou Liyang <douly.fnst@...fujitsu.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Vlastimil Babka <vbabka@...e.cz>,
        Michal Hocko <mhocko@...e.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        <linux-mm@...ck.org>
Subject: [PATCH] mm/page_owner: Make early_page_owner_param __init

The early_param() is only called during kernel initialization, So Linux
marks the functions of it with __init macro to save memory.

But it forgot to mark the early_page_owner_param(). So, Make it __init
as well.

Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Vlastimil Babka <vbabka@...e.cz>
Cc: Michal Hocko <mhocko@...e.com>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: linux-mm@...ck.org
Signed-off-by: Dou Liyang <douly.fnst@...fujitsu.com>
---
 mm/page_owner.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/page_owner.c b/mm/page_owner.c
index 8592543a0f15..745a8b8de206 100644
--- a/mm/page_owner.c
+++ b/mm/page_owner.c
@@ -35,7 +35,7 @@ static depot_stack_handle_t early_handle;
 
 static void init_early_allocated_pages(void);
 
-static int early_page_owner_param(char *buf)
+static int __init early_page_owner_param(char *buf)
 {
 	if (!buf)
 		return -EINVAL;
-- 
2.14.3