__NR_madvise 223 arch/x86/include/generated/uapi/asm/unistd_32.h #define __NR_madvise 219 __NR_madvise 32 arch/x86/include/generated/uapi/asm/unistd_64.h #define __NR_madvise 28 __NR_madvise 27 arch/x86/include/generated/uapi/asm/unistd_x32.h #define __NR_madvise (__X32_SYSCALL_BIT + 28)