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Btrfs: add __init macro to btrfs init functions

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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 <bo.li.liu@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Liu Bo
2017-11-02 17:21:50 -06:00
committed by David Sterba
parent c74a0b0237
commit f5c29bd9db
8 changed files with 11 additions and 11 deletions
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4
fs/btrfs/super.c
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@@ -2324,7 +2324,7 @@ 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);
}
@@ -2334,7 +2334,7 @@ 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