Re: [PATCH 26/29] mm: remove vmalloc_user_node_flags

From: Geert Uytterhoeven
Date: Mon Apr 20 2020 - 05:26:33 EST


Hi Christoph,

On Tue, Apr 14, 2020 at 3:22 PM Christoph Hellwig <hch@xxxxxx> wrote:
> Open code it in __bpf_map_area_alloc, which is the only caller. Also
> clean up __bpf_map_area_alloc to have a single vmalloc call with
> slightly different flags instead of the current two different calls.
>
> For this to compile for the nommu case add a __vmalloc_node_range stub
> to nommu.c.

Apparently your nommu-cross-compilers are in quarantaine? ;-)

> Signed-off-by: Christoph Hellwig <hch@xxxxxx>
> Acked-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
> Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx>

> --- a/mm/nommu.c
> +++ b/mm/nommu.c
> @@ -150,6 +150,14 @@ void *__vmalloc(unsigned long size, gfp_t gfp_mask)
> }
> EXPORT_SYMBOL(__vmalloc);
>
> +void *__vmalloc_node_range(unsigned long size, unsigned long align,
> + unsigned long start, unsigned long end, gfp_t gfp_mask,
> + pgprot_t prot, unsigned long vm_flags, int node,
> + const void *caller)
> +{
> + return __vmalloc(size, flags);

On Mon, Apr 20, 2020 at 10:39 AM <noreply@xxxxxxxxxxxxxx> wrote:
> FAILED linux-next/m5272c3_defconfig/m68k-gcc8 Mon Apr 20, 18:38
>
> http://kisskb.ellerman.id.au/kisskb/buildresult/14213623/
>
> mm/nommu.c:158:25: error: 'flags' undeclared (first use in this function); did you mean 'class'?

"return __vmalloc(size, gfp_mask);", I assume?

Gr{oetje,eeting}s,

Geert


--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

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