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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 55895ccc08c6..da806aceae3f 100644
--- a/fs/file_table.c
+++ b/fs/file_table.c
@@ -33,6 +33,9 @@ struct files_stat_struct files_stat = {
33/* public. Not pretty! */ 33/* public. Not pretty! */
34__cacheline_aligned_in_smp DEFINE_SPINLOCK(files_lock); 34__cacheline_aligned_in_smp DEFINE_SPINLOCK(files_lock);
35 35
36/* SLAB cache for file structures */
37static struct kmem_cache *filp_cachep __read_mostly;
38
36static struct percpu_counter nr_files __cacheline_aligned_in_smp; 39static struct percpu_counter nr_files __cacheline_aligned_in_smp;
37 40
38static inline void file_free_rcu(struct rcu_head *head) 41static inline void file_free_rcu(struct rcu_head *head)
@@ -399,7 +402,12 @@ too_bad:
399void __init files_init(unsigned long mempages) 402void __init files_init(unsigned long mempages)
400{ 403{
401 int n; 404 int n;
402 /* One file with associated inode and dcache is very roughly 1K. 405
406 filp_cachep = kmem_cache_create("filp", sizeof(struct file), 0,
407 SLAB_HWCACHE_ALIGN | SLAB_PANIC, NULL);
408
409 /*
410 * One file with associated inode and dcache is very roughly 1K.
403 * Per default don't use more than 10% of our memory for files. 411 * Per default don't use more than 10% of our memory for files.
404 */ 412 */
405 413