Proprietary modules should not be able to touch vm_stat or participate in shrinking.
Signed-off-by: Ben Hutchings <b...@decadent.org.uk>
---
mm/vmscan.c | 4 ++--
mm/vmstat.c | 2 +-
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 8286938..e6e7449 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -247,7 +247,7 @@ int register_shrinker(struct shrinker *shrinker)
up_write(&shrinker_rwsem);
return 0;
}
-EXPORT_SYMBOL(register_shrinker);
+EXPORT_SYMBOL_GPL(register_shrinker);
/*
* Remove one
@@ -259,7 +259,7 @@ void unregister_shrinker(struct shrinker *shrinker)
up_write(&shrinker_rwsem);
kfree(shrinker->nr_deferred);
}
-EXPORT_SYMBOL(unregister_shrinker);
+EXPORT_SYMBOL_GPL(unregister_shrinker);
#define SHRINK_BATCH 128
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 4f5cd97..6d3f8f4 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -87,7 +87,7 @@ void vm_events_fold_cpu(int cpu)
* vm_stat contains the global counters
*/
atomic_long_t vm_stat[NR_VM_ZONE_STAT_ITEMS] __cacheline_aligned_in_smp;
-EXPORT_SYMBOL(vm_stat);
+EXPORT_SYMBOL_GPL(vm_stat);
#ifdef CONFIG_SMP
--
Ben Hutchings
[W]e found...that it wasn't as easy to get programs right as we had thought.
... I realized that a large part of my life from then on was going to be spent
in finding mistakes in my own programs. - Maurice Wilkes, 1949
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