cpumask: remove cpumask allocation from idle_balance, fix

Impact: fix boot crash

Fix typo in the size calculation.

Reported-by: Ingo Molnar <[email protected]>
Signed-off-by: Rusty Russell <[email protected]>
LKML-Reference: <alpine.DEB.2.00.0903181729360[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>

diff --git a/kernel/sched.c b/kernel/sched.c
index 48862d418bed6c2203af4aa8e0fba1e1a698b2bd..11dd52780adb556a5d825174620bac18a095fca3 100644 (file)
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -8297,7 +8297,7 @@ void __init sched_init(void)
        alloc_size *= 2;
 #endif
 #ifdef CONFIG_CPUMASK_OFFSTACK
-       alloc_size *= num_possible_cpus() * cpumask_size();
+       alloc_size += num_possible_cpus() * cpumask_size();
 #endif
        /*
         * As sched_init() is called before page_alloc is setup,