linux-kernel - Re: [PATCH] MIPS: TXx9: Fix boot crash in free

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Message-ID: <alpine.LFD.2.21.1905221301430.25412@eddie.linux-mips.org>
Date:   Wed, 22 May 2019 13:07:38 +0100 (BST)
From:   "Maciej W. Rozycki" <macro@...ux-mips.org>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
cc:     Serge Semin <fancer.lancer@...il.com>,
        Ralf Baechle <ralf@...ux-mips.org>,
        Paul Burton <paul.burton@...s.com>,
        James Hogan <jhogan@...nel.org>,
        Atsushi Nemoto <anemo@....ocn.ne.jp>,
        Mike Rapoport <rppt@...ux.ibm.com>, linux-mips@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] MIPS: TXx9: Fix boot crash in free_initmem()

On Wed, 22 May 2019, Geert Uytterhoeven wrote:

> Looks like arch/mips/dec/prom/memory.c needs a similar but more
> complicated fix, due to declance handling?

 Thanks for the heads-up!  I think the declance hack should go away.  It 
should have gone long ago, but ISTR there used to be a problem with making 
such a large contiguous physical memory allocation in the modular case.  
Maybe it's not anymore these days.  I'll look into it when I get a chance 
to poke at hardware, which I have no access to at the moment.

  Maciej