From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: with ECARTIS (v1.0.0; list xfs); Mon, 12 May 2008 15:55:11 -0700 (PDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.168.29]) by oss.sgi.com (8.12.11.20060308/8.12.11/SuSE Linux 0.7) with ESMTP id m4CMsfVF023432 for ; Mon, 12 May 2008 15:54:47 -0700 Received: from ns.unixsol.org (localhost [127.0.0.1]) by cuda.sgi.com (Spam Firewall) with ESMTP id D0ACD157D2F for ; Mon, 12 May 2008 15:55:25 -0700 (PDT) Received: from ns.unixsol.org ([193.110.159.2]) by cuda.sgi.com with ESMTP id DAGNpR1I6NkPV6HW for ; Mon, 12 May 2008 15:55:25 -0700 (PDT) Message-ID: <4828CAC6.3090402@unixsol.org> Date: Tue, 13 May 2008 01:55:02 +0300 From: Georgi Chorbadzhiyski MIME-Version: 1.0 Subject: Unneeded kernel threads (xfs, jfs, gfs2) Content-Type: text/plain; charset=windows-1251 Content-Transfer-Encoding: 7bit Sender: xfs-bounce@oss.sgi.com Errors-to: xfs-bounce@oss.sgi.com List-Id: xfs To: xfs@oss.sgi.com, jfs-discussion@lists.sourceforge.net, cluster-devel@redhat.com Cc: Linux Kernel Mailing List Hi guys, I know that not all kernel thread users are converted to start only when needed but the following is little annoying specially when I'm not even using jfs, xfs and gfs2. Look at the ps output from a standard distro 2.6.24.5 kernel after a fresh boot: > PID TTY STAT TIME COMMAND > 2 ? S< 0:00 [kthreadd] > 3 ? S< 0:00 \_ [migration/0] > 4 ? S< 0:00 \_ [ksoftirqd/0] > 5 ? S< 0:00 \_ [migration/1] > 6 ? S< 0:00 \_ [ksoftirqd/1] > 7 ? S< 0:00 \_ [events/0] > 8 ? S< 0:00 \_ [events/1] > 9 ? S< 0:00 \_ [khelper] > 102 ? S< 0:00 \_ [kblockd/0] > 103 ? S< 0:00 \_ [kblockd/1] > 106 ? S< 0:00 \_ [kacpid] > 107 ? S< 0:00 \_ [kacpi_notify] > 230 ? S< 0:00 \_ [ata/0] > 231 ? S< 0:00 \_ [ata/1] > 232 ? S< 0:00 \_ [ata_aux] > 233 ? S< 0:00 \_ [ksuspend_usbd] > 239 ? S< 0:00 \_ [khubd] > 242 ? S< 0:00 \_ [kseriod] > 284 ? S 0:00 \_ [pdflush] > 285 ? S 0:00 \_ [pdflush] > 286 ? S< 0:00 \_ [kswapd0] > 326 ? S< 0:00 \_ [aio/0] > 327 ? S< 0:00 \_ [aio/1] > 349 ? S< 0:00 \_ [jfsIO] > 350 ? S< 0:00 \_ [jfsCommit] > 351 ? S< 0:00 \_ [jfsCommit] > 352 ? S< 0:00 \_ [jfsSync] Not needed here, because no jfs partition is in use. > 354 ? S< 0:00 \_ [xfslogd/0] > 355 ? S< 0:00 \_ [xfslogd/1] > 356 ? S< 0:00 \_ [xfsdatad/0] > 357 ? S< 0:00 \_ [xfsdatad/1] > 361 ? S< 0:00 \_ [xfs_mru_cache] Not needed here, because no xfs partition is in use. > 366 ? S< 0:00 \_ [gfs2_scand] > 367 ? S< 0:00 \_ [glock_workqueue] > 368 ? S< 0:00 \_ [glock_workqueue] I dont use gfs2 > 1047 ? S< 0:00 \_ [scsi_tgtd/0] > 1048 ? S< 0:00 \_ [scsi_tgtd/1] > 1118 ? S< 0:00 \_ [scsi_eh_2] > 1120 ? S< 0:00 \_ [scsi_eh_3] > 1122 ? S< 0:00 \_ [scsi_eh_4] > 1124 ? S< 0:00 \_ [scsi_eh_5] > 1133 ? S< 0:00 \_ [exec-osm/0] > 1134 ? S< 0:00 \_ [exec-osm/1] > 1140 ? S< 0:00 \_ [block-osm/0] > 1141 ? S< 0:00 \_ [block-osm/1] What is osm? Can't find anything in kernel config? > 1148 ? S< 0:00 \_ [khpsbpkt] What is this? > 1193 ? S< 0:00 \_ [ksnapd] > 1201 ? S< 0:00 \_ [rpciod/0] > 1202 ? S< 0:00 \_ [rpciod/1] > 1204 ? S< 0:00 \_ [kjournald] > 2448 ? S< 0:00 \_ [kjournald] > 2649 ? S 0:00 \_ [lockd] Kernel config can be found here: http://mirrors.unixsol.org/slackware/slackware-12.1/kernels/hugesmp.s/config -- Georgi Chorbadzhiyski http://georgi.unixsol.org/