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ion_page_pool_add will always return 0, however ion_page_pool_free will call ion_page_pool_free_pages when ion_page_pool_add's return value is not 0, so it is a dead code which can be removed. Acked-by: Laura Abbott <labbott@redhat.com> Signed-off-by: Yisheng Xie <xieyisheng1@huawei.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.