linux-kernel - Re: [PATCH] MIPS: mm: Fix build error

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Message-ID: <20200927202205.GA9767@alpha.franken.de>
Date:   Sun, 27 Sep 2020 22:22:05 +0200
From:   Thomas Bogendoerfer <tsbogend@...ha.franken.de>
To:     Pujin Shi <shipujin.t@...il.com>
Cc:     Mike Rapoport <rppt@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Paul Burton <paulburton@...nel.org>,
        Alexey Malahov <Alexey.Malahov@...kalelectronics.ru>,
        Kees Cook <keescook@...omium.org>,
        Serge Semin <Sergey.Semin@...kalelectronics.ru>,
        linux-mips@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] MIPS: mm: Fix build error

On Sun, Sep 27, 2020 at 05:26:10PM +0800, Pujin Shi wrote:
> arch/mips/mm/init.c: In function 'mem_init':
> ././include/linux/compiler_types.h:319:38: error: call to '__compiletime_assert_321' declared with attribute error: BUILD_BUG_ON failed: IS_ENABLED(CONFIG_32BIT) && (_PFN_SHIFT > PAGE_SHIFT)
>   _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)

this is exactly what we want, so there is nothing to fix in this spot.
The only real fix is change page table format for 32bit to get more
PTE bits...

Thomas.

-- 
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
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