linux-kernel - [PATCH 2/13] BC: Kconfig and Makefile

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Message-ID: <45535D4D.5000501@sw.ru>
Date:	Thu, 09 Nov 2006 19:54:37 +0300
From:	Kirill Korotaev <dev@...ru>
To:	Andrew Morton <akpm@...l.org>
CC:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Alan Cox <alan@...rguk.ukuu.org.uk>, xemul@...nvz.org,
	devel@...nvz.org, oleg@...sign.ru, hch@...radead.org,
	matthltc@...ibm.com, ckrm-tech@...ts.sourceforge.net
Subject: [PATCH 2/13] BC: Kconfig and Makefile

Add kernel/bc/Kconfig file with BC options and
include it into arch Kconfigs

Signed-off-by: Pavel Emelianov <xemul@...ru>
Signed-off-by: Kirill Korotaev <dev@...ru>

---

 init/Kconfig       |    4 ++++
 kernel/Makefile    |    1 +
 kernel/bc/Kconfig  |   17 +++++++++++++++++
 kernel/bc/Makefile |   11 +++++++++++
 4 files changed, 33 insertions(+)

--- ./init/Kconfig.bckconfig	2006-11-09 11:29:12.000000000 +0300
+++ ./init/Kconfig	2006-11-09 11:30:21.000000000 +0300
@@ -585,6 +585,10 @@ config STOP_MACHINE
 	  Need stop_machine() primitive.
 endmenu
 
+menu "Beancounters"
+source "kernel/bc/Kconfig"
+endmenu
+
 menu "Block layer"
 source "block/Kconfig"
 endmenu
--- ./kernel/Makefile.bckconfig	2006-11-09 11:29:12.000000000 +0300
+++ ./kernel/Makefile	2006-11-09 11:30:21.000000000 +0300
@@ -12,6 +12,7 @@ obj-y     = sched.o fork.o exec_domain.o
 
 obj-$(CONFIG_STACKTRACE) += stacktrace.o
 obj-y += time/
+obj-$(CONFIG_BEANCOUNTERS) += bc/
 obj-$(CONFIG_DEBUG_MUTEXES) += mutex-debug.o
 obj-$(CONFIG_LOCKDEP) += lockdep.o
 ifeq ($(CONFIG_PROC_FS),y)
--- /dev/null	2006-07-18 14:52:43.075228448 +0400
+++ ./kernel/bc/Kconfig	2006-11-09 11:30:21.000000000 +0300
@@ -0,0 +1,17 @@
+config BEANCOUNTERS
+	bool "Enable resource accounting/control"
+	default n
+	depends on CONFIGFS_FS
+	help
+	  When Y this option provides accounting and allows configuring
+	  limits for user's consumption of exhaustible system resources.
+	  The most important resource controlled by this patch is unswappable
+	  memory (either mlock'ed or used by internal kernel structures and
+	  buffers). The main goal of this patch is to protect processes
+	  from running short of important resources because of accidental
+	  misbehavior of processes or malicious activity aiming to ``kill''
+	  the system. It's worth mentioning that resource limits configured
+	  by setrlimit(2) do not give an acceptable level of protection
+	  because they cover only a small fraction of resources and work on a
+	  per-process basis.  Per-process accounting doesn't prevent malicious
+	  users from spawning a lot of resource-consuming processes.
--- /dev/null	2006-07-18 14:52:43.075228448 +0400
+++ ./kernel/bc/Makefile	2006-11-09 11:31:24.000000000 +0300
@@ -0,0 +1,11 @@
+#
+# kernel/bc/Makefile
+#
+# Copyright (C) 2006 OpenVZ SWsoft Inc.
+#
+
+obj-y = beancounter.o vmpages.o rsspages.o kmem.o misc.o
+
+obj-$(CONFIG_CONFIGFS_FS) += bc_if.o
+
+bc_if-objs := configfs.o
-
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