--- /dev/null
+diff -Naurp lrmi-0.10-orig/lrmi.c lrmi-0.10/lrmi.c
+--- lrmi-0.10-orig/lrmi.c 2008-08-23 14:39:44.000000000 +0200
++++ lrmi-0.10/lrmi.c 2008-08-23 14:40:25.000000000 +0200
+@@ -61,6 +61,14 @@ OTHER DEALINGS IN THE SOFTWARE.
+
+ #include "lrmi.h"
+
++/* 2.6.26+ kernels don't define the legacy masks. */
++#if defined(__linux__) && !defined(TF_MASK)
++ #define TF_MASK X86_EFLAGS_TF
++ #define IF_MASK X86_EFLAGS_IF
++ #define VIF_MASK X86_EFLAGS_VIF
++ #define IOPL_MASK X86_EFLAGS_IOPL
++#endif
++
+ #define REAL_MEM_BASE ((void *)0x10000)
+ #define REAL_MEM_SIZE 0x40000
+ #define REAL_MEM_BLOCKS 0x100