[RFC PATCH v8 1/3] docs: scheduler: Restructure scheduler documentation.

[John Mathew]

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
  - sched-features
  - arch-specific.rst
  - sched-debugging.rst

Suggested-by: Lukas Bulwahn <lukas.bulwahn@xxxxxxxxx>
Signed-off-by: John Mathew <john.mathew@xxxxxxxxxx>
---
 Documentation/scheduler/arch-specific.rst   | 12 +++++++++
 Documentation/scheduler/index.rst           | 30 +++++++++++----------
 Documentation/scheduler/overview.rst        |  5 ++++
 Documentation/scheduler/sched-debugging.rst | 14 ++++++++++
 Documentation/scheduler/sched-features.rst  | 25 +++++++++++++++++
 5 files changed, 72 insertions(+), 14 deletions(-)
 create mode 100644 Documentation/scheduler/arch-specific.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..3e5af3a0695e
--- /dev/null
+++ b/Documentation/scheduler/arch-specific.rst
@@ -0,0 +1,12 @@
+.. 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/index.rst b/Documentation/scheduler/index.rst
index 88900aabdbf7..6e88a070c503 100644
--- a/Documentation/scheduler/index.rst
+++ b/Documentation/scheduler/index.rst
@@ -1,24 +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
+
+    Table of contents
+
+.. toctree::
+    :maxdepth: 2
 
-    completion
-    sched-arch
-    sched-bwc
-    sched-deadline
+    overview
     sched-design-CFS
-    sched-domains
-    sched-capacity
-    sched-energy
-    sched-nice-design
-    sched-rt-group
-    sched-stats
-
-    text_files
+    sched-features
+    arch-specific
+    sched-debugging
 
 .. only::  subproject and html
 
diff --git a/Documentation/scheduler/overview.rst b/Documentation/scheduler/overview.rst
new file mode 100644
index 000000000000..a1d2d26629eb
--- /dev/null
+++ b/Documentation/scheduler/overview.rst
@@ -0,0 +1,5 @@
+.. SPDX-License-Identifier: GPL-2.0+
+
+====================
+Scheduler overview
+====================
\ No newline at end of file
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..8eb90e86e489
--- /dev/null
+++ b/Documentation/scheduler/sched-features.rst
@@ -0,0 +1,25 @@
+.. SPDX-License-Identifier: GPL-2.0+
+
+Scheduler Features
+===================
+
+.. class:: toc-title
+
+	Table of contents
+
+.. toctree::
+   :maxdepth: 1
+
+   completion
+   sched-arch
+   sched-bwc
+   sched-deadline
+   sched-domains
+   sched-capacity
+   sched-energy
+   sched-nice-design
+   sched-rt-group
+   sched-stats
+
+   text_files
+
-- 
2.17.1