lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

UBI: get rid of ubi_ltree_slab

Browse Source 
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>
This commit is contained in:
Artem Bityutskiy
2008-01-16 12:11:54 +02:00
parent 4fac9f6984
commit b9a06623d9
3 changed files with 8 additions and 33 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/mtd/ubi/eba.c
View File

@ -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);
}
/**