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f7cc67ae7f
Passing index to pte_offset_map_lock() directly so the below calculation can be avoided. Rename orig_pte to ptep as it's not changed. Also use helper is_swap_pte() to improve the readability. No functional change intended. [akpm@linux-foundation.org: reduce scope of `ptep'] Link: https://lkml.kernel.org/r/20220618090527.37843-1-linmiaohe@huawei.com Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> 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.