diff options
| -rw-r--r-- | fs/proc/inode.c | 12 | ||||
| -rw-r--r-- | fs/proc/internal.h | 2 | ||||
| -rw-r--r-- | fs/proc/root.c | 2 |
3 files changed, 10 insertions, 6 deletions
diff --git a/fs/proc/inode.c b/fs/proc/inode.c index 0331ddbee4f6..5349eb07ac29 100644 --- a/fs/proc/inode.c +++ b/fs/proc/inode.c @@ -54,6 +54,7 @@ static void proc_evict_inode(struct inode *inode) } static struct kmem_cache *proc_inode_cachep __ro_after_init; +static struct kmem_cache *pde_opener_cache __ro_after_init; static struct inode *proc_alloc_inode(struct super_block *sb) { @@ -92,7 +93,7 @@ static void init_once(void *foo) inode_init_once(&ei->vfs_inode); } -void __init proc_init_inodecache(void) +void __init proc_init_kmemcache(void) { proc_inode_cachep = kmem_cache_create("proc_inode_cache", sizeof(struct proc_inode), @@ -100,6 +101,9 @@ void __init proc_init_inodecache(void) SLAB_MEM_SPREAD|SLAB_ACCOUNT| SLAB_PANIC), init_once); + pde_opener_cache = + kmem_cache_create("pde_opener", sizeof(struct pde_opener), 0, + SLAB_PANIC, NULL); } static int proc_show_options(struct seq_file *seq, struct dentry *root) @@ -172,7 +176,7 @@ static void close_pdeo(struct proc_dir_entry *pde, struct pde_opener *pdeo) spin_unlock(&pde->pde_unload_lock); if (unlikely(c)) complete(c); - kfree(pdeo); + kmem_cache_free(pde_opener_cache, pdeo); } } @@ -347,7 +351,7 @@ static int proc_reg_open(struct inode *inode, struct file *file) release = pde->proc_fops->release; if (release) { - pdeo = kmalloc(sizeof(struct pde_opener), GFP_KERNEL); + pdeo = kmem_cache_alloc(pde_opener_cache, GFP_KERNEL); if (!pdeo) { rv = -ENOMEM; goto out_unuse; @@ -368,7 +372,7 @@ static int proc_reg_open(struct inode *inode, struct file *file) list_add(&pdeo->lh, &pde->pde_openers); spin_unlock(&pde->pde_unload_lock); } else - kfree(pdeo); + kmem_cache_free(pde_opener_cache, pdeo); } out_unuse: diff --git a/fs/proc/internal.h b/fs/proc/internal.h index 713d5dfe3f05..dc00ef8538cb 100644 --- a/fs/proc/internal.h +++ b/fs/proc/internal.h @@ -182,7 +182,7 @@ extern const struct inode_operations proc_link_inode_operations; extern const struct inode_operations proc_pid_link_inode_operations; -extern void proc_init_inodecache(void); +void proc_init_kmemcache(void); void set_proc_pid_nlink(void); extern struct inode *proc_get_inode(struct super_block *, struct proc_dir_entry *); extern int proc_fill_super(struct super_block *, void *data, int flags); diff --git a/fs/proc/root.c b/fs/proc/root.c index 4a19e02c7ed0..98797b762a71 100644 --- a/fs/proc/root.c +++ b/fs/proc/root.c @@ -125,7 +125,7 @@ void __init proc_root_init(void) { int err; - proc_init_inodecache(); + proc_init_kmemcache(); set_proc_pid_nlink(); err = register_filesystem(&proc_fs_type); if (err) |