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SubjectRe: [PATCH] trivial: fix where cgroup documentation is not correctly referred to
Thadeu Lima de Souza Cascardo wrote:
> cgroup documentation was moved to Documentation/cgroups/. There are some
> places that still refer to Documentation/controllers/,
> Documentation/cgroups.txt and Documentation/cpusets.txt. Fix those.

Documentation/cgroups/ needs a 00-INDEX file. The cpusets.txt entry
from Documentation/ should be moved to it and all files in Documentation/cgroups/
should be listed in it.


> Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
> ---
> Documentation/00-INDEX | 4 ++--
> Documentation/kernel-parameters.txt | 4 ++--
> Documentation/scheduler/sched-rt-group.txt | 2 +-
> Documentation/vm/numa_memory_policy.txt | 3 ++-
> Documentation/vm/page_migration | 3 ++-
> Documentation/x86/x86_64/fake-numa-for-cpusets | 5 +++--
> include/linux/cgroup.h | 5 ++++-
> init/Kconfig | 2 +-
> 8 files changed, 17 insertions(+), 11 deletions(-)
>
> diff --git a/Documentation/00-INDEX b/Documentation/00-INDEX
> index 2a39aeb..d05737a 100644
> --- a/Documentation/00-INDEX
> +++ b/Documentation/00-INDEX
> @@ -86,6 +86,8 @@ cachetlb.txt
> - describes the cache/TLB flushing interfaces Linux uses.
> cdrom/
> - directory with information on the CD-ROM drivers that Linux has.
> +cgroups/
> + - cgroups features, including cpusets and memory controller.
> connector/
> - docs on the netlink based userspace<->kernel space communication mod.
> console/
> @@ -98,8 +100,6 @@ cpu-load.txt
> - document describing how CPU load statistics are collected.
> cpuidle/
> - info on CPU_IDLE, CPU idle state management subsystem.
> -cpusets.txt
> - - documents the cpusets feature; assign CPUs and Mem to a set of tasks.
> cputopology.txt
> - documentation on how CPU topology info is exported via sysfs.
> cris/
> diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
> index d8362cf..4fd448b 100644
> --- a/Documentation/kernel-parameters.txt
> +++ b/Documentation/kernel-parameters.txt
> @@ -1563,7 +1563,7 @@ and is between 256 and 4096 characters. It is defined in the file
> nosoftlockup [KNL] Disable the soft-lockup detector.
>
> noswapaccount [KNL] Disable accounting of swap in memory resource
> - controller. (See Documentation/controllers/memory.txt)
> + controller. (See Documentation/cgroups/memory.txt)
>
> nosync [HW,M68K] Disables sync negotiation for all devices.
>
> @@ -1907,7 +1907,7 @@ and is between 256 and 4096 characters. It is defined in the file
>
> relax_domain_level=
> [KNL, SMP] Set scheduler's default relax_domain_level.
> - See Documentation/cpusets.txt.
> + See Documentation/cgroups/cpusets.txt.
>
> reserve= [KNL,BUGS] Force the kernel to ignore some iomem area
>
> diff --git a/Documentation/scheduler/sched-rt-group.txt b/Documentation/scheduler/sched-rt-group.txt
> index 3ef339f..5ba4d3f 100644
> --- a/Documentation/scheduler/sched-rt-group.txt
> +++ b/Documentation/scheduler/sched-rt-group.txt
> @@ -126,7 +126,7 @@ This uses the /cgroup virtual file system and "/cgroup/<cgroup>/cpu.rt_runtime_u
> to control the CPU time reserved for each control group instead.
>
> For more information on working with control groups, you should read
> -Documentation/cgroups.txt as well.
> +Documentation/cgroups/cgroups.txt as well.
>
> Group settings are checked against the following limits in order to keep the configuration
> schedulable:
> diff --git a/Documentation/vm/numa_memory_policy.txt b/Documentation/vm/numa_memory_policy.txt
> index 6aaaeb3..be45dbb 100644
> --- a/Documentation/vm/numa_memory_policy.txt
> +++ b/Documentation/vm/numa_memory_policy.txt
> @@ -8,7 +8,8 @@ The current memory policy support was added to Linux 2.6 around May 2004. This
> document attempts to describe the concepts and APIs of the 2.6 memory policy
> support.
>
> -Memory policies should not be confused with cpusets (Documentation/cpusets.txt)
> +Memory policies should not be confused with cpusets
> +(Documentation/cgroups/cpusets.txt)
> which is an administrative mechanism for restricting the nodes from which
> memory may be allocated by a set of processes. Memory policies are a
> programming interface that a NUMA-aware application can take advantage of. When
> diff --git a/Documentation/vm/page_migration b/Documentation/vm/page_migration
> index d5fdfd3..6513fe2 100644
> --- a/Documentation/vm/page_migration
> +++ b/Documentation/vm/page_migration
> @@ -37,7 +37,8 @@ locations.
>
> Larger installations usually partition the system using cpusets into
> sections of nodes. Paul Jackson has equipped cpusets with the ability to
> -move pages when a task is moved to another cpuset (See ../cpusets.txt).
> +move pages when a task is moved to another cpuset (See
> +Documentation/cgroups/cpusets.txt).
> Cpusets allows the automation of process locality. If a task is moved to
> a new cpuset then also all its pages are moved with it so that the
> performance of the process does not sink dramatically. Also the pages
> diff --git a/Documentation/x86/x86_64/fake-numa-for-cpusets b/Documentation/x86/x86_64/fake-numa-for-cpusets
> index 33bb566..0f11d9b 100644
> --- a/Documentation/x86/x86_64/fake-numa-for-cpusets
> +++ b/Documentation/x86/x86_64/fake-numa-for-cpusets
> @@ -7,7 +7,8 @@ you can create fake NUMA nodes that represent contiguous chunks of memory and
> assign them to cpusets and their attached tasks. This is a way of limiting the
> amount of system memory that are available to a certain class of tasks.
>
> -For more information on the features of cpusets, see Documentation/cpusets.txt.
> +For more information on the features of cpusets, see
> +Documentation/cgroups/cpusets.txt.
> There are a number of different configurations you can use for your needs. For
> more information on the numa=fake command line option and its various ways of
> configuring fake nodes, see Documentation/x86/x86_64/boot-options.txt.
> @@ -32,7 +33,7 @@ A machine may be split as follows with "numa=fake=4*512," as reported by dmesg:
> On node 3 totalpages: 131072
>
> Now following the instructions for mounting the cpusets filesystem from
> -Documentation/cpusets.txt, you can assign fake nodes (i.e. contiguous memory
> +Documentation/cgroups/cpusets.txt, you can assign fake nodes (i.e. contiguous memory
> address spaces) to individual cpusets:
>
> [root@xroads /]# mkdir exampleset
> diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
> index e267e62..1d9dd8f 100644
> --- a/include/linux/cgroup.h
> +++ b/include/linux/cgroup.h
> @@ -341,7 +341,10 @@ int cgroup_task_count(const struct cgroup *cgrp);
> /* Return true if the cgroup is a descendant of the current cgroup */
> int cgroup_is_descendant(const struct cgroup *cgrp);
>
> -/* Control Group subsystem type. See Documentation/cgroups.txt for details */
> +/*
> + * Control Group subsystem type.
> + * See Documentation/cgroups/cgroups.txt for details
> + */
>
> struct cgroup_subsys {
> struct cgroup_subsys_state *(*create)(struct cgroup_subsys *ss,
> diff --git a/init/Kconfig b/init/Kconfig
> index f068071..87e26cd 100644
> --- a/init/Kconfig
> +++ b/init/Kconfig
> @@ -505,7 +505,7 @@ config CGROUP_MEM_RES_CTLR
> select MM_OWNER
> help
> Provides a memory resource controller that manages both anonymous
> - memory and page cache. (See Documentation/controllers/memory.txt)
> + memory and page cache. (See Documentation/cgroups/memory.txt)
>
> Note that setting this option increases fixed memory overhead
> associated with each page of memory in the system. By this,



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