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Commit 14769de9 authored by Lai Jiangshan's avatar Lai Jiangshan Committed by Paul E. McKenney
Browse files

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: default avatarLai Jiangshan <laijs@cn.fujitsu.com>
Signed-off-by: default avatarPaul 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: default avatarJosh Triplett <josh@joshtriplett.org>
parent d4ee9aa3

mm/vmalloc.c

+1 −8
Original line number Diff line number Diff line
@@ -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);

}



/*