linux-kernel - Re: [ckrm-tech] [PATCH 2/6] Cpusets hooked into containers

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Message-ID: <6599ad830611061255u458a795bpca1c360cb93f253@mail.gmail.com>
Date:	Mon, 6 Nov 2006 12:55:53 -0800
From:	"Paul Menage" <menage@...gle.com>
To:	balbir@...ibm.com
Cc:	sekharan@...ibm.com, ckrm-tech@...ts.sourceforge.net, jlan@....com,
	Simon.Derr@...l.net, linux-kernel@...r.kernel.org, pj@....com,
	mbligh@...gle.com, winget@...gle.com, rohitseth@...gle.com
Subject: Re: [ckrm-tech] [PATCH 2/6] Cpusets hooked into containers

On 11/5/06, Balbir Singh <balbir@...ibm.com> wrote:
>
> I needed the following patches to get the cpuset code to compile.
> Inlining two patches makes it hard to distinguish between the patches
> and harder to read them, so I am attaching them along with this email.

The first I missed due to not compiling with CONFIG_HOTPLUG_* - thanks
for the patch.

For the second, the following change to fs/proc/base.c should have
appeared in cpusets_using_containers.patch, but got left out due to
quilt misusage. It basically makes "cpuset" an alias for "container"
in the relevant /proc directories if CONFIG_CPUSETS_LEGACY_API is
defined.

--- container-2.6.19-rc2.orig/fs/proc/base.c
+++ container-2.6.19-rc2/fs/proc/base.c
@@ -69,7 +69,6 @@
 #include <linux/ptrace.h>
 #include <linux/seccomp.h>
 #include <linux/container.h>
-#include <linux/cpuset.h>
 #include <linux/audit.h>
 #include <linux/poll.h>
 #include <linux/nsproxy.h>
@@ -1784,8 +1783,8 @@ static struct pid_entry tgid_base_stuff[
 #ifdef CONFIG_CONTAINERS
 	REG("container",  S_IRUGO, container),
 #endif
-#ifdef CONFIG_CPUSETS
-	REG("cpuset",     S_IRUGO, cpuset),
+#ifdef CONFIG_CPUSETS_LEGACY_API
+	REG("cpuset",     S_IRUGO, container),
 #endif
 	INF("oom_score",  S_IRUGO, oom_score),
 	REG("oom_adj",    S_IRUGO|S_IWUSR, oom_adjust),
@@ -2061,8 +2060,8 @@ static struct pid_entry tid_base_stuff[]
 #ifdef CONFIG_CONTAINERS
 	REG("container",  S_IRUGO, container),
 #endif
-#ifdef CONFIG_CPUSETS
-	REG("cpuset",    S_IRUGO, cpuset),
+#ifdef CONFIG_CPUSETS_LEGACY_API
+	REG("cpuset",    S_IRUGO, container),
 #endif
 	INF("oom_score", S_IRUGO, oom_score),
 	REG("oom_adj",   S_IRUGO|S_IWUSR, oom_adjust),

Paul
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