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authorArtem Bityutskiy <Artem.Bityutskiy@nokia.com>2008-01-16 12:11:54 +0200
committerArtem Bityutskiy <Artem.Bityutskiy@nokia.com>2008-01-25 16:41:24 +0200
commitb9a06623d9d0c6dff758d525ceb0d9e2bba8f7d6 (patch)
tree9107daa5cf1aa527603c7d33d55ca45dbe760d5a /drivers/mtd/ubi/eba.c
parent4fac9f698404a5cd50b978fbdb7e54235353c215 (diff)
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>
Diffstat (limited to 'drivers/mtd/ubi/eba.c')
-rw-r--r--drivers/mtd/ubi/eba.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/mtd/ubi/eba.c b/drivers/mtd/ubi/eba.c
index 85297cde4ac..7c05c6e1abc 100644
--- a/drivers/mtd/ubi/eba.c
+++ b/drivers/mtd/ubi/eba.c
@@ -137,10 +137,12 @@ static struct ubi_ltree_entry *ltree_add_entry(struct ubi_device *ubi,
{
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 @@ static struct ubi_ltree_entry *ltree_add_entry(struct ubi_device *ubi,
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 @@ static void leb_read_unlock(struct ubi_device *ubi, int vol_id, int lnum)
up_read(&le->mutex);
if (free)
- kmem_cache_free(ubi_ltree_slab, le);
+ kfree(le);
}
/**
@@ -292,7 +294,7 @@ static int leb_write_trylock(struct ubi_device *ubi, int vol_id, int lnum)
free = 0;
spin_unlock(&ubi->ltree_lock);
if (free)
- kmem_cache_free(ubi_ltree_slab, le);
+ kfree(le);
return 1;
}
@@ -321,7 +323,7 @@ static void leb_write_unlock(struct ubi_device *ubi, int vol_id, int lnum)
up_write(&le->mutex);
if (free)
- kmem_cache_free(ubi_ltree_slab, le);
+ kfree(le);
}
/**