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Internally used symbols of modpost don't need to be externally visible; make them static. Also constify the string arrays so they resist in the r/o section instead of being runtime writable. Those changes lead to a small size reduction as can be seen below: text data bss dec hex filename 51381 2640 12416 66437 10385 scripts/mod/modpost.old 51765 2224 12416 66405 10365 scripts/mod/modpost.new Signed-off-by: Mathias Krause <[email protected]> Signed-off-by: Rusty Russell <[email protected]>