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

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

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 12:12:19 +08:00 • committed by Paul E. McKenney
parent d4ee9aa33d
commit 14769de93f
1 changed files with 1 additions and 8 deletions
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9
mm/vmalloc.c
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@ -452,13 +452,6 @@ overflow:
return ERR_PTR(-EBUSY); return ERR_PTR(-EBUSY);
} }
static void rcu_free_va(struct rcu_head *head)
{
struct vmap_area *va = container_of(head, struct vmap_area, rcu_head);
kfree(va);
}
static void __free_vmap_area(struct vmap_area *va) static void __free_vmap_area(struct vmap_area *va)
{ {
BUG_ON(RB_EMPTY_NODE(&va->rb_node)); BUG_ON(RB_EMPTY_NODE(&va->rb_node));
@ -491,7 +484,7 @@ static void __free_vmap_area(struct vmap_area *va)
if (va->va_end > VMALLOC_START && va->va_end <= VMALLOC_END) if (va->va_end > VMALLOC_START && va->va_end <= VMALLOC_END)
vmap_area_pcpu_hole = max(vmap_area_pcpu_hole, va->va_end); vmap_area_pcpu_hole = max(vmap_area_pcpu_hole, va->va_end);
call_rcu(&va->rcu_head, rcu_free_va); kfree_rcu(va, rcu_head);
} }
/* /*