diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2015-01-12 10:51:13 +0100 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2015-01-12 10:51:13 +0100 |
commit | 2f5eaf66e580f64032b365a00157b6b58c266b37 (patch) | |
tree | 7852017c864f0eb3833782e2a017952bd8531458 /ipc/msg.c | |
parent | c291ee622165cb2c8d4e7af63fffd499354a23be (diff) | |
parent | 91d1179212161f220938198b742c328ad38fd0a3 (diff) |
Merge tag 'irqchip-urgent-3.19' of git://git.infradead.org/users/jcooper/linux into irq/urgent
irqchip urgent fixes for v3.19 from Jason Cooper
- mtk-sysirq: Fix error handling
- hip04: Fix cpu map for 16bit value
- gic-v3-its: Clear a warning regarding decimal constants
- omap-intc: Fix legacy DMA regression
- atmel-aic-common: Retain priority when changing type
Diffstat (limited to 'ipc/msg.c')
-rw-r--r-- | ipc/msg.c | 36 |
1 files changed, 1 insertions, 35 deletions
diff --git a/ipc/msg.c b/ipc/msg.c index c5d8e374998..a7261d5cbc8 100644 --- a/ipc/msg.c +++ b/ipc/msg.c @@ -989,43 +989,12 @@ SYSCALL_DEFINE5(msgrcv, int, msqid, struct msgbuf __user *, msgp, size_t, msgsz, return do_msgrcv(msqid, msgp, msgsz, msgtyp, msgflg, do_msg_fill); } -/* - * Scale msgmni with the available lowmem size: the memory dedicated to msg - * queues should occupy at most 1/MSG_MEM_SCALE of lowmem. - * Also take into account the number of nsproxies created so far. - * This should be done staying within the (MSGMNI , IPCMNI/nr_ipc_ns) range. - */ -void recompute_msgmni(struct ipc_namespace *ns) -{ - struct sysinfo i; - unsigned long allowed; - int nb_ns; - - si_meminfo(&i); - allowed = (((i.totalram - i.totalhigh) / MSG_MEM_SCALE) * i.mem_unit) - / MSGMNB; - nb_ns = atomic_read(&nr_ipc_ns); - allowed /= nb_ns; - - if (allowed < MSGMNI) { - ns->msg_ctlmni = MSGMNI; - return; - } - - if (allowed > IPCMNI / nb_ns) { - ns->msg_ctlmni = IPCMNI / nb_ns; - return; - } - - ns->msg_ctlmni = allowed; -} void msg_init_ns(struct ipc_namespace *ns) { ns->msg_ctlmax = MSGMAX; ns->msg_ctlmnb = MSGMNB; - - recompute_msgmni(ns); + ns->msg_ctlmni = MSGMNI; atomic_set(&ns->msg_bytes, 0); atomic_set(&ns->msg_hdrs, 0); @@ -1069,9 +1038,6 @@ void __init msg_init(void) { msg_init_ns(&init_ipc_ns); - printk(KERN_INFO "msgmni has been set to %d\n", - init_ipc_ns.msg_ctlmni); - ipc_init_proc_interface("sysvipc/msg", " key msqid perms cbytes qnum lspid lrpid uid gid cuid cgid stime rtime ctime\n", IPC_MSG_IDS, sysvipc_msg_proc_show); |