[RFC PATCH 1/3] docs: scheduler: Restructure scheduler documentation.

[John Mathew <john.mathew@unikie.com>]

Add new sections to enable addition of new documentation on
the scheduler. Existing documentation is moved under the related
new sections. The sections are
  - overview
  - cfs-sched-overview
  - sched-features
  - arch-specific.rst
  - sched-debugging.rst

Suggested-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Signed-off-by: John Mathew <john.mathew@unikie.com>
---
 Documentation/scheduler/arch-specific.rst     | 11 +++++++
 .../scheduler/cfs-sched-overview.rst          | 15 ++++++++++
 Documentation/scheduler/index.rst             | 29 ++++++++++---------
 Documentation/scheduler/overview.rst          |  5 ++++
 Documentation/scheduler/sched-debugging.rst   | 14 +++++++++
 Documentation/scheduler/sched-features.rst    | 20 +++++++++++++
 6 files changed, 81 insertions(+), 13 deletions(-)
 create mode 100644 Documentation/scheduler/arch-specific.rst
 create mode 100644 Documentation/scheduler/cfs-sched-overview.rst
 create mode 100644 Documentation/scheduler/overview.rst
 create mode 100644 Documentation/scheduler/sched-debugging.rst
 create mode 100644 Documentation/scheduler/sched-features.rst

diff --git a/Documentation/scheduler/arch-specific.rst b/Documentation/scheduler/arch-specific.rst
new file mode 100644
index 000000000000..c9c34863d994
--- /dev/null
+++ b/Documentation/scheduler/arch-specific.rst
@@ -0,0 +1,11 @@
+.. SPDX-License-Identifier: GPL-2.0+
+
+Architecture Specific Scheduler Implementation Differences
+==========================================================
+
+.. class:: toc-title
+
+	   Table of contents
+
+.. toctree::
+   :maxdepth: 2
diff --git a/Documentation/scheduler/cfs-sched-overview.rst b/Documentation/scheduler/cfs-sched-overview.rst
new file mode 100644
index 000000000000..44dac92d9462
--- /dev/null
+++ b/Documentation/scheduler/cfs-sched-overview.rst
@@ -0,0 +1,15 @@
+.. SPDX-License-Identifier: GPL-2.0+
+
+CFS
+====
+
+This documentation describes the linux CFS scheduler.
+
+.. class:: toc-title
+
+	   Table of contents
+
+.. toctree::
+   :maxdepth: 2
+
+   sched-design-CFS
diff --git a/Documentation/scheduler/index.rst b/Documentation/scheduler/index.rst
index 69074e5de9c4..83c718d05b9d 100644
--- a/Documentation/scheduler/index.rst
+++ b/Documentation/scheduler/index.rst
@@ -1,23 +1,26 @@
+.. SPDX-License-Identifier: GPL-2.0+
+
 ===============
 Linux Scheduler
 ===============
 
-.. toctree::
-    :maxdepth: 1
+This documentation outlines the Linux kernel scheduler with its concepts,
+details about the scheduler design and its data structures and architecture
+specific implementation differences.
+
 
+.. class:: toc-title
 
-    completion
-    sched-arch
-    sched-bwc
-    sched-deadline
-    sched-design-CFS
-    sched-domains
-    sched-energy
-    sched-nice-design
-    sched-rt-group
-    sched-stats
+	   Table of contents
+
+.. toctree::
+    :maxdepth: 2
 
-    text_files
+    overview
+    cfs-sched-overview
+    sched-features
+    arch-specific.rst
+    sched-debugging.rst
 
 .. only::  subproject and html
 
diff --git a/Documentation/scheduler/overview.rst b/Documentation/scheduler/overview.rst
new file mode 100644
index 000000000000..aee16feefc61
--- /dev/null
+++ b/Documentation/scheduler/overview.rst
@@ -0,0 +1,5 @@
+.. SPDX-License-Identifier: GPL-2.0+
+
+====================
+Scheduler overview
+====================
diff --git a/Documentation/scheduler/sched-debugging.rst b/Documentation/scheduler/sched-debugging.rst
new file mode 100644
index 000000000000..e332069f99d6
--- /dev/null
+++ b/Documentation/scheduler/sched-debugging.rst
@@ -0,0 +1,14 @@
+.. SPDX-License-Identifier: GPL-2.0+
+
+Scheduler Debugging Interface
+==============================
+
+.. class:: toc-title
+
+	   Table of contents
+
+.. toctree::
+   :maxdepth: 2
+
+   sched-stats
+   text_files
diff --git a/Documentation/scheduler/sched-features.rst b/Documentation/scheduler/sched-features.rst
new file mode 100644
index 000000000000..1afbd9cc8d52
--- /dev/null
+++ b/Documentation/scheduler/sched-features.rst
@@ -0,0 +1,20 @@
+.. SPDX-License-Identifier: GPL-2.0+
+
+Scheduler Features
+=====================
+
+.. class:: toc-title
+
+	   Table of contents
+
+.. toctree::
+   :maxdepth: 2
+
+   sched-arch
+   sched-bwc
+   sched-deadline
+   sched-domains
+   sched-energy
+   sched-nice-design
+   sched-rt-group
+   completion
-- 
2.17.1