linux-kernel - [PATCH] mm/gup_benchmark: mark gup_benchmark_init as _

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Message-ID: <20201103081016.16532-1-song.bao.hua@hisilicon.com>
Date:   Tue, 3 Nov 2020 21:10:16 +1300
From:   Barry Song <song.bao.hua@...ilicon.com>
To:     <akpm@...ux-foundation.org>, <linux-mm@...ck.org>,
        <linux-kernel@...r.kernel.org>
CC:     <linuxarm@...wei.com>, Barry Song <song.bao.hua@...ilicon.com>,
        "John Hubbard" <jhubbard@...dia.com>, Jan Kara <jack@...e.cz>,
        Jérôme Glisse <jglisse@...hat.com>,
        "Matthew Wilcox (Oracle)" <willy@...radead.org>,
        Al Viro <viro@...iv.linux.org.uk>,
        "Christoph Hellwig" <hch@...radead.org>,
        Dan Williams <dan.j.williams@...el.com>,
        "Dave Chinner" <david@...morbit.com>,
        Jason Gunthorpe <jgg@...pe.ca>,
        "Jonathan Corbet" <corbet@....net>, Michal Hocko <mhocko@...e.com>,
        Mike Kravetz <mike.kravetz@...cle.com>,
        Shuah Khan <shuah@...nel.org>, Vlastimil Babka <vbabka@...e.cz>
Subject: [PATCH] mm/gup_benchmark: mark gup_benchmark_init as __init function

gup_benchmark_init() is only called during initialization, mark it as
__init to save some memory.

Cc: John Hubbard <jhubbard@...dia.com>
Cc: Jan Kara <jack@...e.cz>
Cc: Jérôme Glisse <jglisse@...hat.com>
Cc: "Matthew Wilcox (Oracle)" <willy@...radead.org>
Cc: Al Viro <viro@...iv.linux.org.uk>
Cc: Christoph Hellwig <hch@...radead.org>
Cc: Dan Williams <dan.j.williams@...el.com>
Cc: Dave Chinner <david@...morbit.com>
Cc: Jason Gunthorpe <jgg@...pe.ca>
Cc: Jonathan Corbet <corbet@....net>
Cc: Michal Hocko <mhocko@...e.com>
Cc: Mike Kravetz <mike.kravetz@...cle.com>
Cc: Shuah Khan <shuah@...nel.org>
Cc: Vlastimil Babka <vbabka@...e.cz>
Signed-off-by: Barry Song <song.bao.hua@...ilicon.com>
---
 mm/gup_benchmark.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/gup_benchmark.c b/mm/gup_benchmark.c
index 8b3e5b5..1d10553 100644
--- a/mm/gup_benchmark.c
+++ b/mm/gup_benchmark.c
@@ -199,7 +199,7 @@ static const struct file_operations gup_benchmark_fops = {
 	.unlocked_ioctl = gup_benchmark_ioctl,
 };
 
-static int gup_benchmark_init(void)
+static int __init gup_benchmark_init(void)
 {
 	debugfs_create_file_unsafe("gup_benchmark", 0600, NULL, NULL,
 				   &gup_benchmark_fops);
-- 
2.7.4