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ea0ffd0c08
Currenty there is no upper limit for /proc/sys/vm/page-cluster, and it's a bit shift value, so it could result in overflow of the 32-bit integer. Add a reasonable upper limit for it, read-in at most 2**31 pages, which is a large enough value for readahead. Link: https://lkml.kernel.org/r/20221023162533.81561-1-ryncsn@gmail.com Signed-off-by: Kairui Song <kasong@tencent.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.