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032e871686
According to limits.h(2) ULONG_MAX is only guaranteed to expand to an expression, not a symbolic constant which can be evaluated by the preprocessor. Specifically the definition of ULONG_MAX from nolibc can not be evaluated by the preprocessor. To provide compatibility with nolibc, check with __SIZEOF_LONG__ instead, with is provided directly by the preprocessor and therefore always a symbolic constant. Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Vincenzo Frascino <vincenzo.frascino@arm.com> Acked-by: Shuah Khan <skhan@linuxfoundation.org> Link: https://lore.kernel.org/all/20250226-parse_vdso-nolibc-v2-13-28e14e031ed8@linutronix.de