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6393e60644
The generic vdso support adds the same #if hack in two places, asm/vdso/vdso.h and config-n32-o32-env.c, but only the second is actually used. The result lacks the BUILD_VDSO32_64 macro, and that triggers a build error: ./include/linux/page-flags-layout.h:95:2: error: #error "Not enough bits in page flags" Move the macro into the other place, and remove the duplicated bits. Reported-by: Guenter Roeck <linux@roeck-us.net> Fixes:ee38d94a0a("page flags: prioritize kasan bits over last-cpuid") Fixes:24640f233b("mips: Add support for generic vDSO") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Paul Burton <paul.burton@mips.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Andrey Konovalov <andreyknvl@google.com> Cc: Andrey Ryabinin <aryabinin@virtuozzo.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: Will Deacon <will.deacon@arm.com> Cc: Christoph Lameter <cl@linux.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Vincenzo Frascino <vincenzo.frascino@arm.com> Cc: James Hogan <jhogan@kernel.org> Cc: linux-mips@vger.kernel.org Cc: linux-kernel@vger.kernel.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.