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3e6998b17f
ion_buffer_add() insert ion_buffer into rbtree every time creating an ion_buffer but never use it after ION reworking. Also, buffer_lock protects only rbtree operation, remove it together. Signed-off-by: Lecopzer Chen <lecopzer.chen@mediatek.com> Cc: YJ Chiang <yj.chiang@mediatek.com> Cc: Lecopzer Chen <lecopzer.chen@mediatek.com> Acked-by: Laura Abbott <labbott@redhat.com> Link: https://lore.kernel.org/r/20190712084717.12441-1-lecopzer.chen@mediatek.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.