linux-kernel - Re: [PATCH 24/29] mm: remove __vmalloc_node_flags

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Date:   Mon, 20 Apr 2020 11:27:56 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Christoph Hellwig <hch@....de>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        "K. Y. Srinivasan" <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        Wei Liu <wei.liu@...nel.org>,
        "the arch/x86 maintainers" <x86@...nel.org>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Laura Abbott <labbott@...hat.com>,
        Sumit Semwal <sumit.semwal@...aro.org>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Minchan Kim <minchan@...nel.org>,
        Nitin Gupta <ngupta@...are.org>,
        Christophe Leroy <christophe.leroy@....fr>,
        Linux-Arch <linux-arch@...r.kernel.org>,
        linux-hyperv@...r.kernel.org,
        linux-s390 <linux-s390@...r.kernel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        DRI Development <dri-devel@...ts.freedesktop.org>,
        linaro-mm-sig@...ts.linaro.org, Linux MM <linux-mm@...ck.org>,
        Linux IOMMU <iommu@...ts.linux-foundation.org>,
        bpf <bpf@...r.kernel.org>, Robin Murphy <robin.murphy@....com>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 24/29] mm: remove __vmalloc_node_flags_caller

Hi Christoph,

On Tue, Apr 14, 2020 at 3:21 PM Christoph Hellwig <hch@....de> wrote:
> Just use __vmalloc_node instead which gets and extra argument.  To be
> able to to use __vmalloc_node in all caller make it available outside
> of vmalloc and implement it in nommu.c.
>
> Signed-off-by: Christoph Hellwig <hch@....de>
> Acked-by: Peter Zijlstra (Intel) <peterz@...radead.org>

One more nommu failure below...

> --- a/mm/nommu.c
> +++ b/mm/nommu.c
> @@ -150,8 +150,8 @@ void *__vmalloc(unsigned long size, gfp_t gfp_mask)
>  }
>  EXPORT_SYMBOL(__vmalloc);
>
> -void *__vmalloc_node_flags_caller(unsigned long size, int node, gfp_t flags,
> -               void *caller)
> +void *__vmalloc_node(unsigned long size, unsigned long align, gfp_t gfp_mask,
> +               int node, const void *caller)
>  {
>         return __vmalloc(size, flags);

On Mon, Apr 20, 2020 at 10:39 AM <noreply@...erman.id.au> wrote:
> FAILED linux-next/m5272c3_defconfig/m68k-gcc8 Mon Apr 20, 18:38
>
> http://kisskb.ellerman.id.au/kisskb/buildresult/14213623/
>
> mm/nommu.c:164:25: error: 'flags' undeclared (first use in this function); did you mean 'class'?

"return __vmalloc(size, gfp_mask);"

Gr{oetje,eeting}s,

                        Geert


--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds