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Commit 22a3c7d1 authored by Lai Jiangshan's avatar Lai Jiangshan Committed by Paul E. McKenney
Browse files

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



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: 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 14769de9

mm/vmalloc.c

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