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-rw-r--r--include/linux/ipc.h10
1 files changed, 6 insertions, 4 deletions
diff --git a/include/linux/ipc.h b/include/linux/ipc.h
index 9d84942ae2e5..fadd579d577d 100644
--- a/include/linux/ipc.h
+++ b/include/linux/ipc.h
@@ -8,8 +8,7 @@
#define IPCMNI 32768 /* <= MAX_INT limit for ipc arrays (including sysctl changes) */
/* used by in-kernel data structures */
-struct kern_ipc_perm
-{
+struct kern_ipc_perm {
spinlock_t lock;
bool deleted;
int id;
@@ -18,9 +17,12 @@ struct kern_ipc_perm
kgid_t gid;
kuid_t cuid;
kgid_t cgid;
- umode_t mode;
+ umode_t mode;
unsigned long seq;
void *security;
-};
+
+ struct rcu_head rcu;
+ atomic_t refcount;
+} ____cacheline_aligned_in_smp __randomize_layout;
#endif /* _LINUX_IPC_H */