net/sched/sch_hfsc.c: remove unused cl_myfadj
authorMichal Soltys <soltys@ziu.info>
Tue, 2 Aug 2016 22:44:55 +0000 (00:44 +0200)
committerDavid S. Miller <davem@davemloft.net>
Mon, 8 Aug 2016 23:06:47 +0000 (16:06 -0700)
The code using this variable has been commented out in the past as it
was causing issues in upperlimited link-sharing scenarios.

Signed-off-by: Michal Soltys <soltys@ziu.info>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/sched/sch_hfsc.c

index 6329d7d..000f1d3 100644 (file)
@@ -142,8 +142,6 @@ struct hfsc_class {
                                           link-sharing, max(myf, cfmin) */
        u64     cl_myf;                 /* my fit-time (calculated from this
                                           class's own upperlimit curve) */
-       u64     cl_myfadj;              /* my fit-time adjustment (to cancel
-                                          history dependence) */
        u64     cl_cfmin;               /* earliest children's fit-time (used
                                           with cl_myf to obtain cl_f) */
        u64     cl_cvtmin;              /* minimal virtual time among the
@@ -730,7 +728,6 @@ init_vf(struct hfsc_class *cl, unsigned int len)
                                /* compute myf */
                                cl->cl_myf = rtsc_y2x(&cl->cl_ulimit,
                                                      cl->cl_total);
-                               cl->cl_myfadj = 0;
                        }
                }
 
@@ -797,9 +794,10 @@ update_vf(struct hfsc_class *cl, unsigned int len, u64 cur_time)
 
                /* update f */
                if (cl->cl_flags & HFSC_USC) {
+                       cl->cl_myf = rtsc_y2x(&cl->cl_ulimit, cl->cl_total);
+#if 0
                        cl->cl_myf = cl->cl_myfadj + rtsc_y2x(&cl->cl_ulimit,
                                                              cl->cl_total);
-#if 0
                        /*
                         * This code causes classes to stay way under their
                         * limit when multiple classes are used at gigabit
@@ -1471,7 +1469,6 @@ hfsc_reset_class(struct hfsc_class *cl)
        cl->cl_parentperiod = 0;
        cl->cl_f            = 0;
        cl->cl_myf          = 0;
-       cl->cl_myfadj       = 0;
        cl->cl_cfmin        = 0;
        cl->cl_nactive      = 0;