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-rw-r--r--include/linux/ipc.h9
1 files changed, 8 insertions, 1 deletions
diff --git a/include/linux/ipc.h b/include/linux/ipc.h
index 71fd92d81b26..92a2ccff80c5 100644
--- a/include/linux/ipc.h
+++ b/include/linux/ipc.h
@@ -3,7 +3,9 @@
#include <linux/spinlock.h>
#include <linux/uidgid.h>
+#include <linux/rhashtable.h>
#include <uapi/linux/ipc.h>
+#include <linux/refcount.h>
#define IPCMNI 32768 /* <= MAX_INT limit for ipc arrays (including sysctl changes) */
@@ -20,6 +22,11 @@ struct kern_ipc_perm {
umode_t mode;
unsigned long seq;
void *security;
-} ____cacheline_aligned_in_smp;
+
+ struct rhash_head khtnode;
+
+ struct rcu_head rcu;
+ refcount_t refcount;
+} ____cacheline_aligned_in_smp __randomize_layout;
#endif /* _LINUX_IPC_H */