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authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>2010-02-22 17:04:50 -0800
committerIngo Molnar <mingo@elte.hu>2010-02-25 10:34:26 +0100
commitd11c563dd20ff35da5652c3e1c989d9e10e1d6d0 (patch)
treeb189f50de7a01d7603935d4da7e755d764dfe67e /kernel/fork.c
parenta898def29e4119bc01ebe7ca97423181f4c0ea2d (diff)
downloadop-kernel-dev-d11c563dd20ff35da5652c3e1c989d9e10e1d6d0.zip
op-kernel-dev-d11c563dd20ff35da5652c3e1c989d9e10e1d6d0.tar.gz
sched: Use lockdep-based checking on rcu_dereference()
Update the rcu_dereference() usages to take advantage of the new lockdep-based checking. Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: laijs@cn.fujitsu.com Cc: dipankar@in.ibm.com Cc: mathieu.desnoyers@polymtl.ca Cc: josh@joshtriplett.org Cc: dvhltc@us.ibm.com Cc: niv@us.ibm.com Cc: peterz@infradead.org Cc: rostedt@goodmis.org Cc: Valdis.Kletnieks@vt.edu Cc: dhowells@redhat.com LKML-Reference: <1266887105-1528-6-git-send-email-paulmck@linux.vnet.ibm.com> [ -v2: fix allmodconfig missing symbol export build failure on x86 ] Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/fork.c')
-rw-r--r--kernel/fork.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/fork.c b/kernel/fork.c
index f88bd98..17bbf09 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -86,6 +86,7 @@ int max_threads; /* tunable limit on nr_threads */
DEFINE_PER_CPU(unsigned long, process_counts) = 0;
__cacheline_aligned DEFINE_RWLOCK(tasklist_lock); /* outer */
+EXPORT_SYMBOL_GPL(tasklist_lock);
int nr_processes(void)
{
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