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From:   Souptick Joarder <jrdr.linux@gmail.com>
Date:   Mon, 18 Feb 2019 18:16:58 +0530
Message-ID: <CAFqt6zYL8q16a0dKvNb_1MpJCuz4VrkT1pKe=eqpywxA-hnL0Q@mail.gmail.com>
Subject: Re: [PATCH 4/4] riscv: switch over to generic free_initmem()
To:     Mike Rapoport <rppt@linux.ibm.com>
Cc:     Andrew Morton <akpm@linux-foundation.org>,
        Palmer Dabbelt <palmer@sifive.com>,
        Christoph Hellwig <hch@lst.de>, rkuo@codeaurora.org,
        linux-arch@vger.kernel.org, linux-hexagon@vger.kernel.org,
        linux-kernel@vger.kernel.org, Linux-MM <linux-mm@kvack.org>,
        linux-riscv@lists.infradead.org
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Hi Mike,

On Fri, Feb 15, 2019 at 2:19 AM Palmer Dabbelt <palmer@sifive.com> wrote:
>
> On Thu, 14 Feb 2019 07:59:37 PST (-0800), rppt@linux.ibm.com wrote:
> > The riscv version of free_initmem() differs from the generic one only in
> > that it sets the freed memory to zero.
> >
> > Make ricsv use the generic version and poison the freed memory.
> >
> > Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>

Just for clarity, does same change applicable in below places -

arch/openrisc/mm/init.c#L231
arch/alpha/mm/init.c#L290
arch/arc/mm/init.c#L213
arch/m68k/mm/init.c#L109
arch/nds32/mm/init.c#L247
arch/nios2/mm/init.c#L92
arch/openrisc/mm/init.c#L231


> > ---
> >  arch/riscv/mm/init.c | 5 -----
> >  1 file changed, 5 deletions(-)
> >
> > diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c
> > index 658ebf6..2af0010 100644
> > --- a/arch/riscv/mm/init.c
> > +++ b/arch/riscv/mm/init.c
> > @@ -60,11 +60,6 @@ void __init mem_init(void)
> >       mem_init_print_info(NULL);
> >  }
> >
> > -void free_initmem(void)
> > -{
> > -     free_initmem_default(0);
> > -}
> > -
> >  #ifdef CONFIG_BLK_DEV_INITRD
> >  void free_initrd_mem(unsigned long start, unsigned long end)
> >  {
>
> Reviewed-by: Palmer Dabbelt <palmer@sifive.com>
>
> I'm going to assume this goes in with the rest of the patch set, thanks!
>