author: Eric Dumazet <dada1@cosmosbay.com> 2008-12-10 09:35:45 -0800
committer: Al Viro <viro@zeniv.linux.org.uk> 2008-12-31 18:07:42 -0500
commit: b6b3fdead251d432f32f2cfce2a893ab8a658110
parent: fd659fd6275d3426d7967da1f0e3638bbbd2fedb
Commit Summary:
Diffstat:
1 file changed, 7 insertions, 1 deletion
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 = {
/* public. Not pretty! */
__cacheline_aligned_in_smp DEFINE_SPINLOCK(files_lock);
+/* SLAB cache for file structures */
+static struct kmem_cache *filp_cachep __read_mostly;
+
static struct percpu_counter nr_files __cacheline_aligned_in_smp;
static inline void file_free_rcu(struct rcu_head *head)
@@ -397,7 +400,12 @@ too_bad:
void __init files_init(unsigned long mempages)
{
int n;
- /* One file with associated inode and dcache is very roughly 1K.
+
+ filp_cachep = kmem_cache_create("filp", sizeof(struct file), 0,
+ SLAB_HWCACHE_ALIGN | SLAB_PANIC, NULL);
+
+ /*
+ * One file with associated inode and dcache is very roughly 1K.
* Per default don't use more than 10% of our memory for files.
*/