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vmalloc,rcu: Convert call_rcu(rcu_free_vb) to kfree_rcu()

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The rcu callback rcu_free_vb() just calls a kfree(),
so we use kfree_rcu() instead of the call_rcu(rcu_free_vb).

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: David Rientjes <rientjes@google.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
This commit is contained in:
Lai Jiangshan 2011-03-18 12:13:08 +08:00 committed by Paul E. McKenney
parent 14769de93f
commit 22a3c7d188
1 changed files with 1 additions and 8 deletions
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9
mm/vmalloc.c
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@ -830,13 +830,6 @@ static struct vmap_block *new_vmap_block(gfp_t gfp_mask)
return vb;
}
static void rcu_free_vb(struct rcu_head *head)
{
struct vmap_block *vb = container_of(head, struct vmap_block, rcu_head);
kfree(vb);
}
static void free_vmap_block(struct vmap_block *vb)
{
struct vmap_block *tmp;
@ -849,7 +842,7 @@ static void free_vmap_block(struct vmap_block *vb)
BUG_ON(tmp != vb);
free_vmap_area_noflush(vb->va);
call_rcu(&vb->rcu_head, rcu_free_vb);
kfree_rcu(vb, rcu_head);
}
static void purge_fragmented_blocks(int cpu)