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mapfree: fix potential race between init and exit
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@ -519,15 +519,19 @@ int __init init_mars_mapfree(void)
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MARS_DBG("init_mapfree()\n");
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mapfree_sleep_jiffies = MAPFREE_SLEEP_JIFFIES;
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for (i = 0; i < MAPFREE_HASH; i++) {
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struct task_struct *thread;
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init_rwsem(&mf_table[i].hash_mutex);
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INIT_LIST_HEAD(&mf_table[i].hash_anchor);
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mf_table[i].hash_thread = NULL;
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}
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for (i = 0; i < MAPFREE_HASH; i++) {
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struct task_struct *thread;
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thread = brick_thread_create(mapfree_thread,
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&mf_table[i],
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"mars_mf%d", i);
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if (unlikely(!thread)) {
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MARS_ERR("could not create mapfree thread %d\n", i);
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exit_mars_mapfree();
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return -ENOMEM;
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}
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mf_table[i].hash_thread = thread;
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