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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_IPC_H
#define _LINUX_IPC_H
#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) */
/* used by in-kernel data structures */
struct kern_ipc_perm {
spinlock_t lock;
bool deleted;
int id;
key_t key;
kuid_t uid;
kgid_t gid;
kuid_t cuid;
kgid_t cgid;
umode_t mode;
unsigned long seq;
void *security;
struct rhash_head khtnode;
struct rcu_head rcu;
refcount_t refcount;
} ____cacheline_aligned_in_smp __randomize_layout;
#endif /* _LINUX_IPC_H */
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