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mm/damon/Kconfig: enable CONFIG_DAMON by default

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As of this writing, multiple major distros including Alma, Amazon,
Android, CentOS, Debian, Fedora, and Oracle are build-enabling DAMON (set
CONFIG_DAMON[1]).  Enabling it by default will save configuration setup
time for the current and future DAMON users.

Build-enabling DAMON does not introduce a real risk since it makes no
behavioral change by default.  It requires explicit user requests to do
anything.  Only one potential risk is making the size of the kernel a
little bit larger.  On a production-purpose configuration, it increases
the resulting kernel package size by about 0.1 % of the final package
file.  I believe that's too small to be a real problem in common setups.

Hence, the benefit of enabling CONFIG_DAMON outweighs the potential risk. 
Set CONFIG_DAMON by default.

Link: https://oracle.github.io/kconfigs/?config=UTS_RELEASE&config=DAMON [1]
Link: https://lkml.kernel.org/r/20250521042755.39653-3-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Acked-by: Honggyu Kim <honggyu.kim@sk.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
SeongJae Park 2025-05-20 21:27:55 -07:00 committed by Andrew Morton
parent 0acfc656df
commit 28615e6eed
1 changed files with 1 additions and 0 deletions
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mm/damon/Kconfig
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@ -4,6 +4,7 @@ menu "Data Access Monitoring"
config DAMON
bool "DAMON: Data Access Monitoring Framework"
default y
help
This builds a framework that allows kernel subsystems to monitor
access frequency of each memory region. The information can be useful