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ac4cfacced
Add PFN_PTE_SHIFT, update_mmu_cache_range(), flush_dcache_folio() and flush_icache_pages(). Change the PG_dc_clean flag from being per-page to per-folio (which means it cannot always be set as we don't know that all pages in this folio were cleaned). Enhance the internal flush routines to take the number of pages to flush. Link: https://lkml.kernel.org/r/20230802151406.3735276-9-willy@infradead.org Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Acked-by: Mike Rapoport (IBM) <rppt@kernel.org> Cc: Vineet Gupta <vgupta@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.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.