linux-kernel - [PATCH v2] mm/shmem.c: make shmem

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Date:   Sat, 14 Nov 2020 13:51:34 +0800
From:   Hui Su <sh_def@....com>
To:     hughd@...gle.com, akpm@...ux-foundation.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, pankaj.gupta.linux@...il.com,
        lkp@...el.com
Cc:     sh_def@....com
Subject: [PATCH v2] mm/shmem.c: make shmem_mapping() inline

inline the shmem_mapping(), and use shmem_mapping()
instead of 'inode->i_mapping->a_ops == &shmem_aops'
in shmem_evict_inode().

v1->v2:
remove the inline for func declaration in shmem_fs.h

Reviewed-by: Pankaj Gupta <pankaj.gupta@...ud.ionos.com>
Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: Hui Su <sh_def@....com>
---
 mm/shmem.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mm/shmem.c b/mm/shmem.c
index 537c137698f8..7395d8e8226a 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -1152,7 +1152,7 @@ static void shmem_evict_inode(struct inode *inode)
 	struct shmem_inode_info *info = SHMEM_I(inode);
 	struct shmem_sb_info *sbinfo = SHMEM_SB(inode->i_sb);
 
-	if (inode->i_mapping->a_ops == &shmem_aops) {
+	if (shmem_mapping(inode->i_mapping)) {
 		shmem_unacct_size(info->flags, inode->i_size);
 		inode->i_size = 0;
 		shmem_truncate_range(inode, 0, (loff_t)-1);
@@ -2352,7 +2352,7 @@ static struct inode *shmem_get_inode(struct super_block *sb, const struct inode
 	return inode;
 }
 
-bool shmem_mapping(struct address_space *mapping)
+inline bool shmem_mapping(struct address_space *mapping)
 {
 	return mapping->a_ops == &shmem_aops;
 }
-- 
2.29.0