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SubjectRe: [ckrm-tech] [PATCH 2/6] Cpusets hooked into containers
menage@google.com wrote:
> This patch removes the process grouping code from the cpusets code,
> instead hooking it into the generic container system. This temporarily
> adds cpuset-specific code in kernel/container.c, which is removed by
> the next patch in the series.
>
> Signed-off-by: Paul Menage <menage@google.com>

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.

--
Regards,
Balbir Singh,
Linux Technology Center,
IBM Software Labs


Signed-off-by: Balbir Singh <balbir@in.ibm.com>
---

kernel/cpuset.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff -puN kernel/cpuset.c~fix-cpuset-guarantee-online-cpus-mems-in-subtree kernel/cpuset.c
--- linux-2.6.19-rc2/kernel/cpuset.c~fix-cpuset-guarantee-online-cpus-mems-in-subtree 2006-11-06 11:41:25.000000000 +0530
+++ linux-2.6.19-rc2-balbir/kernel/cpuset.c 2006-11-06 11:43:12.000000000 +0530
@@ -1280,10 +1280,12 @@ int __init cpuset_init(void)

static void guarantee_online_cpus_mems_in_subtree(const struct cpuset *cur)
{
+ struct container *cont;
struct cpuset *c;

/* Each of our child cpusets mems must be online */
- list_for_each_entry(c, &cur->children, sibling) {
+ list_for_each_entry(cont, &cur->container->children, sibling) {
+ c = container_cs(cont);
guarantee_online_cpus_mems_in_subtree(c);
if (!cpus_empty(c->cpus_allowed))
guarantee_online_cpus(c, &c->cpus_allowed);
_

Signed-off-by: Balbir Singh <balbir@in.ibm.com>
---

fs/proc/base.c | 7 -------
1 file changed, 7 deletions(-)

diff -puN fs/proc/base.c~fix-cpuset-proc-operations fs/proc/base.c
--- linux-2.6.19-rc2/fs/proc/base.c~fix-cpuset-proc-operations 2006-11-06 11:47:35.000000000 +0530
+++ linux-2.6.19-rc2-balbir/fs/proc/base.c 2006-11-06 11:48:27.000000000 +0530
@@ -68,7 +68,6 @@
#include <linux/security.h>
#include <linux/ptrace.h>
#include <linux/seccomp.h>
-#include <linux/cpuset.h>
#include <linux/container.h>
#include <linux/audit.h>
#include <linux/poll.h>
@@ -1788,9 +1787,6 @@ static struct pid_entry tgid_base_stuff[
#ifdef CONFIG_CONTAINERS
REG("container", S_IRUGO, container),
#endif
-#ifdef CONFIG_CPUSETS
- REG("cpuset", S_IRUGO, cpuset),
-#endif
INF("oom_score", S_IRUGO, oom_score),
REG("oom_adj", S_IRUGO|S_IWUSR, oom_adjust),
#ifdef CONFIG_AUDITSYSCALL
@@ -2065,9 +2061,6 @@ static struct pid_entry tid_base_stuff[]
#ifdef CONFIG_CONTAINERS
REG("container", S_IRUGO, container),
#endif
-#ifdef CONFIG_CPUSETS
- REG("cpuset", S_IRUGO, cpuset),
-#endif
INF("oom_score", S_IRUGO, oom_score),
REG("oom_adj", S_IRUGO|S_IWUSR, oom_adjust),
#ifdef CONFIG_AUDITSYSCALL
_
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