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SubjectRe: [PATCH -next] mm: MEMTEST depends on MEMBLOCK
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On Fri, 2015-03-13 at 02:03 -0700, Guenter Roeck wrote:
> Building alpha:allmodconfig fails with
>
> mm/memtest.c: In function 'reserve_bad_mem':
> mm/memtest.c:38:2: error: implicit declaration of function 'memblock_reserve'
> mm/memtest.c: In function 'do_one_pass':
> mm/memtest.c:77:2: error: implicit declaration of function 'for_each_free_mem_range'
> mm/memtest.c:77:73: error: expected ';' before '{' token
>
> because it depends on MEMBLOCK which is not defined for the alpha
> architecture.
>
> Fixes: 420c89e6185d ("mm: move memtest under mm")
> Cc: Vladimir Murzin <vladimir.murzin@arm.com>
> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
> ---
> lib/Kconfig.debug | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
> index 8b4e69a..dc1e69c 100644
> --- a/lib/Kconfig.debug
> +++ b/lib/Kconfig.debug
> @@ -1797,6 +1797,7 @@ config TEST_UDELAY
>
> config MEMTEST
> bool "Memtest"
> + depends on MEMBLOCK
> ---help---
> This option adds a kernel parameter 'memtest', which allows memtest
> to be set.

(There's now a bot checking this stuff, but I couldn't resist reporting
it when my script spotted it.)

Please do
$ git grep -n "config\s\+MEMBLOCK\b" next-20150320
$ git grep -n "config\s\+MEMBLOCK\b" v4.0-rc4

I think this patch simply disables MEMTEST altogether. I'm guessing this
should have added
depends on HAVE_MEMBLOCK


Paul Bolle



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