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authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>2010-05-10 17:14:24 -0700
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>2010-06-14 16:37:26 -0700
commit875352c94224c88f5aa28cb77206f993bd31b7a2 (patch)
tree945688f1860b157a2f09a2d8ef1e2ec5b91b18a3 /mm
parentb97181f24212f4c29197890ce1b2b9100bcc184d (diff)
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: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Signed-off-by: Paul 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>
Diffstat (limited to 'mm')
-rw-r--r--mm/backing-dev.c1
-rw-r--r--mm/slob.c1
2 files changed, 0 insertions, 2 deletions
diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index 660a87a2251..42f6d20358a 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -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);
diff --git a/mm/slob.c b/mm/slob.c
index 23631e2bb57..19d2e5d4672 100644
--- a/mm/slob.c
+++ b/mm/slob.c
@@ -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 {