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Date:   Mon, 4 Oct 2021 08:47:35 +0200
From:   Geert Uytterhoeven <>
To:     Randy Dunlap <>
Cc:     Linux Kernel Mailing List <>,
        Greg Ungerer <>,
        linux-m68k <>
Subject: Re: [RFC PATCH] m68k: set a default value for MEMORY_RESERVE

On Sun, Oct 3, 2021 at 2:02 AM Randy Dunlap <> wrote:
> 'make randconfig' can produce a .config file with
> "CONFIG_MEMORY_RESERVE=" (no value) since it has no default.
> When a subsequent 'make all' is done, kconfig restarts the config
> and prompts for a value for MEMORY_RESERVE. This breaks
> scripting/automation where there is no interactive user input.
> Add a default value for MEMORY_RESERVE. (Any integer value will
> work here for kconfig.)
> Fixes a kconfig warning:
> .config:214:warning: symbol value '' invalid for MEMORY_RESERVE
> * Restart config...
> Memory reservation (MiB) (MEMORY_RESERVE) [] (NEW)
> Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") # from beginning of git history
> Signed-off-by: Randy Dunlap <>

Reviewed-by: Geert Uytterhoeven <>

As this is relevant for m68knommu, I'll leave it to Greg, unless he's too



Geert Uytterhoeven -- There's lots of Linux beyond ia32 --

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

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