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Diffstat (limited to 'fs/hostfs/hostfs_kern.c')
-rw-r--r--fs/hostfs/hostfs_kern.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c
index 7c918cd816a3..29e407762626 100644
--- a/fs/hostfs/hostfs_kern.c
+++ b/fs/hostfs/hostfs_kern.c
@@ -34,6 +34,8 @@ static inline struct hostfs_inode_info *HOSTFS_I(struct inode *inode)
#define FILE_HOSTFS_I(file) HOSTFS_I(file_inode(file))
+static struct kmem_cache *hostfs_inode_cache;
+
/* Changed in hostfs_args before the kernel starts running */
static char *root_ino = "";
static int append = 0;
@@ -221,7 +223,7 @@ static struct inode *hostfs_alloc_inode(struct super_block *sb)
{
struct hostfs_inode_info *hi;
- hi = kmalloc(sizeof(*hi), GFP_KERNEL_ACCOUNT);
+ hi = kmem_cache_alloc(hostfs_inode_cache, GFP_KERNEL_ACCOUNT);
if (hi == NULL)
return NULL;
hi->fd = -1;
@@ -243,7 +245,7 @@ static void hostfs_evict_inode(struct inode *inode)
static void hostfs_free_inode(struct inode *inode)
{
- kfree(HOSTFS_I(inode));
+ kmem_cache_free(hostfs_inode_cache, HOSTFS_I(inode));
}
static int hostfs_show_options(struct seq_file *seq, struct dentry *root)
@@ -991,12 +993,16 @@ MODULE_ALIAS_FS("hostfs");
static int __init init_hostfs(void)
{
+ hostfs_inode_cache = KMEM_CACHE(hostfs_inode_info, 0);
+ if (!hostfs_inode_cache)
+ return -ENOMEM;
return register_filesystem(&hostfs_type);
}
static void __exit exit_hostfs(void)
{
unregister_filesystem(&hostfs_type);
+ kmem_cache_destroy(hostfs_inode_cache);
}
module_init(init_hostfs)