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authorLai Jiangshan <laijs@cn.fujitsu.com>2011-03-18 12:12:19 +0800
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>2011-07-20 14:10:17 -0700
commit14769de93ffcaeead98bcb5771d9f88a84f7153c (patch)
tree2a320b11528abfa608071ff2aa4013519c07ffbf /mm/vmalloc.c
parentd4ee9aa33db94120532601a22566e989efc3e70c (diff)
downloadop-kernel-dev-14769de93ffcaeead98bcb5771d9f88a84f7153c.zip
op-kernel-dev-14769de93ffcaeead98bcb5771d9f88a84f7153c.tar.gz
vmalloc,rcu: Convert call_rcu(rcu_free_va) to kfree_rcu()
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>
Diffstat (limited to 'mm/vmalloc.c')
-rw-r--r--mm/vmalloc.c9
1 files changed, 1 insertions, 8 deletions
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 1d34d75..7ff9560 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -452,13 +452,6 @@ overflow:
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)
{
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)
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);
}
/*
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