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| author | Eric W. Biederman <ebiederm@xmission.com> | 2018-03-23 03:34:44 +0100 |
|---|---|---|
| committer | Eric W. Biederman <ebiederm@xmission.com> | 2018-03-24 17:25:21 +0100 |
| commit | a2e102cd3cdd8b7a14e08716510707b15802073f (patch) | |
| tree | 42e20f6520be397fece15e2105bf40903c707a5c /ipc/shm.c | |
| parent | sem: Move struct sem and struct sem_array into ipc/sem.c (diff) | |
| download | linux-a2e102cd3cdd8b7a14e08716510707b15802073f.tar.xz linux-a2e102cd3cdd8b7a14e08716510707b15802073f.zip | |
shm: Move struct shmid_kernel into ipc/shm.c
All of the users are now in ipc/shm.c so make the definition local to
that file to make code maintenance easier. AKA to prevent rebuilding
the entire kernel when struct shmid_kernel changes.
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Diffstat (limited to 'ipc/shm.c')
| -rw-r--r-- | ipc/shm.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/ipc/shm.c b/ipc/shm.c index 387a786e7be1..0565669ebe5c 100644 --- a/ipc/shm.c +++ b/ipc/shm.c @@ -48,6 +48,28 @@ #include "util.h" +struct shmid_kernel /* private to the kernel */ +{ + struct kern_ipc_perm shm_perm; + struct file *shm_file; + unsigned long shm_nattch; + unsigned long shm_segsz; + time64_t shm_atim; + time64_t shm_dtim; + time64_t shm_ctim; + pid_t shm_cprid; + pid_t shm_lprid; + struct user_struct *mlock_user; + + /* The task created the shm object. NULL if the task is dead. */ + struct task_struct *shm_creator; + struct list_head shm_clist; /* list by creator */ +} __randomize_layout; + +/* shm_mode upper byte flags */ +#define SHM_DEST 01000 /* segment will be destroyed on last detach */ +#define SHM_LOCKED 02000 /* segment will not be swapped */ + struct shm_file_data { int id; struct ipc_namespace *ns; |