Adding __init macro gives kernel a hint that this function is only used during the initialization phase and its memory resources can be freed up after.
Signed-off-by: Liu Bo <[email protected]> --- fs/btrfs/compression.h | 2 +- fs/btrfs/ctree.h | 6 +++--- fs/btrfs/delayed-ref.c | 2 +- fs/btrfs/delayed-ref.h | 2 +- fs/btrfs/file.c | 2 +- fs/btrfs/inode.c | 2 +- fs/btrfs/super.c | 4 ++-- fs/btrfs/sysfs.c | 2 +- 8 files changed, 11 insertions(+), 11 deletions(-) diff --git a/fs/btrfs/compression.h b/fs/btrfs/compression.h index dc45b94..936b046 100644 --- a/fs/btrfs/compression.h +++ b/fs/btrfs/compression.h @@ -73,7 +73,7 @@ struct compressed_bio { u32 sums; }; -void btrfs_init_compress(void); +void __init btrfs_init_compress(void); void btrfs_exit_compress(void); int btrfs_compress_pages(int type, struct address_space *mapping, diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 8fc6903..c652ffc 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -3190,7 +3190,7 @@ int btrfs_write_inode(struct inode *inode, struct writeback_control *wbc); struct inode *btrfs_alloc_inode(struct super_block *sb); void btrfs_destroy_inode(struct inode *inode); int btrfs_drop_inode(struct inode *inode); -int btrfs_init_cachep(void); +int __init btrfs_init_cachep(void); void btrfs_destroy_cachep(void); long btrfs_ioctl_trans_end(struct file *file); struct inode *btrfs_iget(struct super_block *s, struct btrfs_key *location, @@ -3241,7 +3241,7 @@ ssize_t btrfs_dedupe_file_range(struct file *src_file, u64 loff, u64 olen, struct file *dst_file, u64 dst_loff); /* file.c */ -int btrfs_auto_defrag_init(void); +int __init btrfs_auto_defrag_init(void); void btrfs_auto_defrag_exit(void); int btrfs_add_inode_defrag(struct btrfs_trans_handle *trans, struct btrfs_inode *inode); @@ -3276,7 +3276,7 @@ int btrfs_defrag_leaves(struct btrfs_trans_handle *trans, struct btrfs_root *root); /* sysfs.c */ -int btrfs_init_sysfs(void); +int __init btrfs_init_sysfs(void); void btrfs_exit_sysfs(void); int btrfs_sysfs_add_mounted(struct btrfs_fs_info *fs_info); void btrfs_sysfs_remove_mounted(struct btrfs_fs_info *fs_info); diff --git a/fs/btrfs/delayed-ref.c b/fs/btrfs/delayed-ref.c index 93ffa89..3ff772f 100644 --- a/fs/btrfs/delayed-ref.c +++ b/fs/btrfs/delayed-ref.c @@ -947,7 +947,7 @@ void btrfs_delayed_ref_exit(void) kmem_cache_destroy(btrfs_delayed_extent_op_cachep); } -int btrfs_delayed_ref_init(void) +int __init btrfs_delayed_ref_init(void) { btrfs_delayed_ref_head_cachep = kmem_cache_create( "btrfs_delayed_ref_head", diff --git a/fs/btrfs/delayed-ref.h b/fs/btrfs/delayed-ref.h index ce88e4a..3afff23 100644 --- a/fs/btrfs/delayed-ref.h +++ b/fs/btrfs/delayed-ref.h @@ -204,7 +204,7 @@ extern struct kmem_cache *btrfs_delayed_tree_ref_cachep; extern struct kmem_cache *btrfs_delayed_data_ref_cachep; extern struct kmem_cache *btrfs_delayed_extent_op_cachep; -int btrfs_delayed_ref_init(void); +int __init btrfs_delayed_ref_init(void); void btrfs_delayed_ref_exit(void); static inline struct btrfs_delayed_extent_op * diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index aafcc78..e43da6c 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -3143,7 +3143,7 @@ void btrfs_auto_defrag_exit(void) kmem_cache_destroy(btrfs_inode_defrag_cachep); } -int btrfs_auto_defrag_init(void) +int __init btrfs_auto_defrag_init(void) { btrfs_inode_defrag_cachep = kmem_cache_create("btrfs_inode_defrag", sizeof(struct inode_defrag), 0, diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 9a2bdd9..1635b0f 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -9655,7 +9655,7 @@ void btrfs_destroy_cachep(void) kmem_cache_destroy(btrfs_free_space_cachep); } -int btrfs_init_cachep(void) +int __init btrfs_init_cachep(void) { btrfs_inode_cachep = kmem_cache_create("btrfs_inode", sizeof(struct btrfs_inode), 0, diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index 161694b..a31281e 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -2297,7 +2297,7 @@ static struct miscdevice btrfs_misc = { MODULE_ALIAS_MISCDEV(BTRFS_MINOR); MODULE_ALIAS("devname:btrfs-control"); -static int btrfs_interface_init(void) +static int __init btrfs_interface_init(void) { return misc_register(&btrfs_misc); } @@ -2307,7 +2307,7 @@ static void btrfs_interface_exit(void) misc_deregister(&btrfs_misc); } -static void btrfs_print_mod_info(void) +static void __init btrfs_print_mod_info(void) { pr_info("Btrfs loaded, crc32c=%s" #ifdef CONFIG_BTRFS_DEBUG diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c index 883881b..4dd83dd 100644 --- a/fs/btrfs/sysfs.c +++ b/fs/btrfs/sysfs.c @@ -896,7 +896,7 @@ static int btrfs_init_debugfs(void) return 0; } -int btrfs_init_sysfs(void) +int __init btrfs_init_sysfs(void) { int ret; -- 2.9.4 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
