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mm: remove redundant 'default n' from Kconfig-s

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'default n' is the default value for any bool or tristate Kconfig
setting so there is no need to write it explicitly.

Also since commit f467c5640c ("kconfig: only write '# CONFIG_FOO
is not set' for visible symbols") the Kconfig behavior is the same
regardless of 'default n' being present or not:

    ...
    One side effect of (and the main motivation for) this change is making
    the following two definitions behave exactly the same:

        config FOO
                bool

        config FOO
                bool
                default n

    With this change, neither of these will generate a
    '# CONFIG_FOO is not set' line (assuming FOO isn't selected/implied).
    That might make it clearer to people that a bare 'default n' is
    redundant.
    ...

Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Bartlomiej Zolnierkiewicz <[email protected]>
Reviewed-by: Andrew Morton <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Bartlomiej Zolnierkiewicz 2019-05-13 17:21:53 -07:00 • committed by Linus Torvalds
commit 62afcd1cb8
2 changed files with 0 additions and 12 deletions
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1
mm/Kconfig.debug
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@ -33,7 +33,6 @@ config DEBUG_PAGEALLOC
config DEBUG_PAGEALLOC_ENABLE_DEFAULT
bool "Enable debug page memory allocations by default?"
default n
depends on DEBUG_PAGEALLOC
---help---
Enable debug page memory allocations by default? This value