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This patch pulls out the code responsible for handling buffer recycling and page counting and distributes it through several functions. This allows us to commonize the bits that handle either freeing or recycling the buffers. As far as the page count tracking one change to the logic is that pagecnt_bias is decremented as soon as we call i40e_get_rx_buffer. It is then the responsibility of the function that pulls the data to either increment the pagecnt_bias if the buffer can be recycled as-is, or to update page_offset so that we are pointing at the correct location for placement of the next buffer. Change-ID: Ibac576360cb7f0b1627f2a993d13c1a8a2bf60af Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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.