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Commit 875352c9 authored by Paul E. McKenney's avatar Paul E. McKenney
Browse files

mm: remove all rcu head initializations 



Remove all rcu head inits. We don't care about the RCU head state before passing
it to call_rcu() anyway. Only leave the "on_stack" variants so debugobjects can
keep track of objects on stack.

Signed-off-by: default avatarAlexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: default avatarMathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: default avatarPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Christoph Lameter <cl@linux-foundation.org>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: Matt Mackall <mpm@selenic.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
parent b97181f2

mm/backing-dev.c

+0 −1
Original line number Diff line number Diff line
@@ -668,7 +668,6 @@ int bdi_init(struct backing_dev_info *bdi) 
	bdi->max_ratio = 100;

	bdi->max_prop_frac = PROP_FRAC_BASE;

	spin_lock_init(&bdi->wb_lock);

	INIT_RCU_HEAD(&bdi->rcu_head);

	INIT_LIST_HEAD(&bdi->bdi_list);

	INIT_LIST_HEAD(&bdi->wb_list);

	INIT_LIST_HEAD(&bdi->work_list);

mm/slob.c

+0 −1
Original line number Diff line number Diff line
@@ -639,7 +639,6 @@ void kmem_cache_free(struct kmem_cache *c, void *b) 
	if (unlikely(c->flags & SLAB_DESTROY_BY_RCU)) {

		struct slob_rcu *slob_rcu;

		slob_rcu = b + (c->size - sizeof(struct slob_rcu));

		INIT_RCU_HEAD(&slob_rcu->head);

		slob_rcu->size = c->size;

		call_rcu(&slob_rcu->head, kmem_rcu_free);

	} else {