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-rw-r--r--fs/file_table.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/fs/file_table.c b/fs/file_table.c
index 0fbcacc3ea75..bbeeac6efa1a 100644
--- a/fs/file_table.c
+++ b/fs/file_table.c
@@ -32,6 +32,9 @@ struct files_stat_struct files_stat = {
32/* public. Not pretty! */ 32/* public. Not pretty! */
33__cacheline_aligned_in_smp DEFINE_SPINLOCK(files_lock); 33__cacheline_aligned_in_smp DEFINE_SPINLOCK(files_lock);
34 34
35/* SLAB cache for file structures */
36static struct kmem_cache *filp_cachep __read_mostly;
37
35static struct percpu_counter nr_files __cacheline_aligned_in_smp; 38static struct percpu_counter nr_files __cacheline_aligned_in_smp;
36 39
37static inline void file_free_rcu(struct rcu_head *head) 40static inline void file_free_rcu(struct rcu_head *head)
@@ -397,7 +400,12 @@ too_bad:
397void __init files_init(unsigned long mempages) 400void __init files_init(unsigned long mempages)
398{ 401{
399 int n; 402 int n;
400 /* One file with associated inode and dcache is very roughly 1K. 403
404 filp_cachep = kmem_cache_create("filp", sizeof(struct file), 0,
405 SLAB_HWCACHE_ALIGN | SLAB_PANIC, NULL);
406
407 /*
408 * One file with associated inode and dcache is very roughly 1K.
401 * Per default don't use more than 10% of our memory for files. 409 * Per default don't use more than 10% of our memory for files.
402 */ 410 */
403 411