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491a39dcee
commit518a867130upstream. The "mode" and "level" variables are enums and in this context GCC will treat them as unsigned ints so the error handling is never triggered. I also removed the bogus initializer because it isn't required any more and it's sort of confusing. [akpm@linux-foundation.org: reduce implicit and explicit typecasting] [akpm@linux-foundation.org: fix return value, add comment, per Matthew] Link: http://lkml.kernel.org/r/20190925110449.GO3264@mwanda Fixes:3cadfa2b94("mm/vmpressure.c: convert to use match_string() helper") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: David Rientjes <rientjes@google.com> Reviewed-by: Matthew Wilcox <willy@infradead.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Enrico Weigelt <info@metux.net> Cc: Kate Stewart <kstewart@linuxfoundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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.
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.