[PATCH] rcu: don't allocate bootmem from rcu_init

[Sasha Levin]

When rcu_init is called we already have slab working, allocating bootmem
at that point results in warnings and an allocation from slab.

Signed-off-by: Sasha Levin <sasha.levin@xxxxxxxxxx>
---
 kernel/rcutree_plugin.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/rcutree_plugin.h b/kernel/rcutree_plugin.h
index d084ae3..73bac82 100644
--- a/kernel/rcutree_plugin.h
+++ b/kernel/rcutree_plugin.h
@@ -87,7 +87,7 @@ static void __init rcu_bootup_announce_oddness(void)
 #ifdef CONFIG_RCU_NOCB_CPU
 #ifndef CONFIG_RCU_NOCB_CPU_NONE
 	if (!have_rcu_nocb_mask) {
-		alloc_bootmem_cpumask_var(&rcu_nocb_mask);
+		alloc_cpumask_var(&rcu_nocb_mask, GFP_KERNEL);
 		have_rcu_nocb_mask = true;
 	}
 #ifdef CONFIG_RCU_NOCB_CPU_ZERO
-- 
1.8.1.5

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