X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=ipc%2Fmsg.c;h=a7261d5cbc89be93c1f1bd41b39ebe9683e82a19;hb=ed55635e2e4df3169f21ae4047004b7235de956e;hp=c5d8e3749985be98b17c7bb1183dafb41332ea36;hpb=d1345c524e12c0cd1a81d5899d647f93e9fcb760;p=karo-tx-linux.git diff --git a/ipc/msg.c b/ipc/msg.c index c5d8e3749985..a7261d5cbc89 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);