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docs: move the kref doc into the core-api book

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This document covers core kernel objects. So, add it into the core-api
book.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/f385af13b4a6d3ff8c89beedd4506900e79ca72e.1588345503.git.mchehab+huawei@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Mauro Carvalho Chehab 2020-05-01 17:37:52 +02:00 committed by Jonathan Corbet
parent e00b0ab86c
commit 1ac00669c3
3 changed files with 2 additions and 1 deletions
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1
Documentation/core-api/index.rst
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@ -31,6 +31,7 @@ Library functionality that is used throughout the kernel.
:maxdepth: 1
kobject
kref
assoc_array
xarray
idr

2
Documentation/core-api/kobject.rst
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@ -210,7 +210,7 @@ statically and will warn the developer of this improper usage.
If all that you want to use a kobject for is to provide a reference counter
for your structure, please use the struct kref instead; a kobject would be
overkill. For more information on how to use struct kref, please see the
file Documentation/kref.txt in the Linux kernel source tree.
file Documentation/core-api/kref.rst in the Linux kernel source tree.
Creating "simple" kobjects

0
Documentation/kref.txt → Documentation/core-api/kref.rst
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