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    Subject[PATCH 4.19 214/323] m68k: set a default value for MEMORY_RESERVE
    Date
    From: Randy Dunlap <rdunlap@infradead.org>

    [ Upstream commit 1aaa557b2db95c9506ed0981bc34505c32d6b62b ]

    '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 <rdunlap@infradead.org>
    Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
    Cc: Greg Ungerer <gerg@linux-m68k.org>
    Cc: linux-m68k@lists.linux-m68k.org
    Signed-off-by: Greg Ungerer <gerg@linux-m68k.org>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    arch/m68k/Kconfig.machine | 1 +
    1 file changed, 1 insertion(+)

    diff --git a/arch/m68k/Kconfig.machine b/arch/m68k/Kconfig.machine
    index 64a6414677360..0c451081432ab 100644
    --- a/arch/m68k/Kconfig.machine
    +++ b/arch/m68k/Kconfig.machine
    @@ -185,6 +185,7 @@ config INIT_LCD
    config MEMORY_RESERVE
    int "Memory reservation (MiB)"
    depends on (UCSIMM || UCDIMM)
    + default 0
    help
    Reserve certain memory regions on 68x328 based boards.

    --
    2.33.0


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