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Make swapon and swapoff individually selectable.

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For example, without swapoff, code shrinks by 277 bytes.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2016-11-14 17:30:50 +01:00
parent 1924e99ad3
commit f417ffd88f
4 changed files with 50 additions and 32 deletions
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28
util-linux/Config.src
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@ -489,34 +489,6 @@ config SCRIPTREPLAY
This program replays a typescript, using timing information
given by script -t.
config SWAPONOFF
bool "swaponoff"
default y
select PLATFORM_LINUX
help
This option enables both the 'swapon' and the 'swapoff' utilities.
Once you have created some swap space using 'mkswap', you also need
to enable your swap space with the 'swapon' utility. The 'swapoff'
utility is used, typically at system shutdown, to disable any swap
space. If you are not using any swap space, you can leave this
option disabled.
config FEATURE_SWAPON_DISCARD
bool "Support discard option -d"
default y
depends on SWAPONOFF
help
Enable support for discarding swap area blocks at swapon and/or as
the kernel frees them. This option enables both the -d option on
'swapon' and the 'discard' option for swap entries in /etc/fstab.
config FEATURE_SWAPON_PRI
bool "Support priority option -p"
default y
depends on SWAPONOFF
help
Enable support for setting swap device priority in swapon.
config SWITCH_ROOT
bool "switch_root"
default y