+enum mpol_rebind_step {
+ MPOL_REBIND_ONCE, /* do rebind work at once(not by two step) */
+ MPOL_REBIND_STEP1, /* first step(set all the newly nodes) */
+ MPOL_REBIND_STEP2, /* second step(clean all the disallowed nodes)*/
+ MPOL_REBIND_NSTEP,
+};
+