UBI: get rid of ubi_ltree_slab
This slab cache is not really needed since the number of objects
is low and the constructor does not make much sense because we
allocate oblects when doint I/O, which is way slower then allocation.
Suggested-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
diff --git a/drivers/mtd/ubi/eba.c b/drivers/mtd/ubi/eba.c
index 85297cd..7c05c6e 100644
--- a/drivers/mtd/ubi/eba.c
+++ b/drivers/mtd/ubi/eba.c
@@ -137,10 +137,12 @@
{
struct ubi_ltree_entry *le, *le1, *le_free;
- le = kmem_cache_alloc(ubi_ltree_slab, GFP_NOFS);
+ le = kmalloc(sizeof(struct ubi_ltree_entry), GFP_NOFS);
if (!le)
return ERR_PTR(-ENOMEM);
+ le->users = 0;
+ init_rwsem(&le->mutex);
le->vol_id = vol_id;
le->lnum = lnum;
@@ -188,7 +190,7 @@
spin_unlock(&ubi->ltree_lock);
if (le_free)
- kmem_cache_free(ubi_ltree_slab, le_free);
+ kfree(le_free);
return le;
}
@@ -236,7 +238,7 @@
up_read(&le->mutex);
if (free)
- kmem_cache_free(ubi_ltree_slab, le);
+ kfree(le);
}
/**
@@ -292,7 +294,7 @@
free = 0;
spin_unlock(&ubi->ltree_lock);
if (free)
- kmem_cache_free(ubi_ltree_slab, le);
+ kfree(le);
return 1;
}
@@ -321,7 +323,7 @@
up_write(&le->mutex);
if (free)
- kmem_cache_free(ubi_ltree_slab, le);
+ kfree(le);
}
/**