Setting tag linux-2.6-22-50

[linux-2.6.git] / linux-2.6-210-vserver-cpu-sched.patch

diff --git a/linux-2.6-210-vserver-cpu-sched.patch b/linux-2.6-210-vserver-cpu-sched.patch
index fac58b7..c2319da 100644 (file)
--- a/linux-2.6-210-vserver-cpu-sched.patch
+++ b/linux-2.6-210-vserver-cpu-sched.patch
@@ -1,15 +1,64 @@
+diff -Nurp linux-2.6.22-200/kernel/sched_hard.h linux-2.6.22-210/kernel/sched_hard.h
+--- linux-2.6.22-200/kernel/sched_hard.h       2008-04-24 09:48:57.000000000 -0400
++++ linux-2.6.22-210/kernel/sched_hard.h       2008-04-24 09:59:21.000000000 -0400
+@@ -179,8 +179,8 @@ void vx_try_unhold(struct rq *rq, int cp
+       int minskip = 0;
+ 
+       /* nothing to do? what about pause? */
+-      if (list_empty(&rq->hold_queue))
+-              return;
++      //if (list_empty(&rq->hold_queue))
++      //      return;
+ 
+       list_for_each_safe(l, n, &rq->hold_queue) {
+               int ret, delta_min[2];
 diff -Nurp linux-2.6.22-200/kernel/vserver/sched.c linux-2.6.22-210/kernel/vserver/sched.c
---- linux-2.6.22-200/kernel/vserver/sched.c    2008-02-01 10:44:49.000000000 -0500
-+++ linux-2.6.22-210/kernel/vserver/sched.c    2008-02-01 11:14:33.000000000 -0500
-@@ -89,6 +89,7 @@ int vx_tokens_recalc(struct _vx_sched_pc
- #ifdef        CONFIG_VSERVER_HARDCPU
-               delta_min[0] = delta - integral;
+--- linux-2.6.22-200/kernel/vserver/sched.c    2008-04-24 09:48:57.000000000 -0400
++++ linux-2.6.22-210/kernel/vserver/sched.c    2008-04-24 09:49:00.000000000 -0400
+@@ -18,7 +18,6 @@
+ 
+ #include <asm/uaccess.h>
+ 
+-
+ #define vxd_check_range(val, min, max) do {           \
+       vxlprintk((val < min) || (val > max),           \
+               "check_range(%ld,%ld,%ld)",             \
+@@ -78,6 +77,11 @@ int vx_tokens_recalc(struct _vx_sched_pc
+       /* how much time did pass? */
+       delta = *norm_time - sched_pc->norm_time;
+       vxd_check_range(delta, 0, INT_MAX);
++      if (delta < 0) {
++              /* vserver is new or idle for a really long time */
++              sched_pc->norm_time = *norm_time;
++              delta = 0;
++      }
+ 
+       if (delta >= sched_pc->interval[0]) {
+               long tokens, integral;
+@@ -91,7 +95,7 @@ int vx_tokens_recalc(struct _vx_sched_pc
                vxd_check_range(delta_min[0], 0, sched_pc->interval[0]);
-+              delta = integral;
  #endif
                /* advance time */
-               sched_pc->norm_time += delta;
-@@ -161,10 +162,12 @@ on_hold:
+-              sched_pc->norm_time += delta;
++              sched_pc->norm_time += integral;
+ 
+               /* add tokens */
+               sched_pc->tokens += tokens;
+@@ -106,7 +110,12 @@ int vx_tokens_recalc(struct _vx_sched_pc
+       /* how much was the idle skip? */
+       delta = *idle_time - sched_pc->idle_time;
+       vxd_check_range(delta, 0, INT_MAX);
+-
++      if (delta < 0) {
++              /* vserver is new or idle for a really long time */
++              sched_pc->idle_time = *idle_time;
++              delta = 0;
++      }
++      
+       if (delta >= sched_pc->interval[1]) {
+               long tokens, integral;
+ 
+@@ -161,10 +170,12 @@ on_hold:
        /* next interval? */
        if (!sched_pc->fill_rate[0])
                delta_min[0] = HZ;
@@ -26,3 +75,20 @@ diff -Nurp linux-2.6.22-200/kernel/vserver/sched.c linux-2.6.22-210/kernel/vserv
                delta_min[0] = sched_pc->interval[0] - delta_min[0];
        vxd_check_range(delta_min[0], 0, INT_MAX);
  
+@@ -175,10 +186,12 @@ on_hold:
+       /* next interval? */
+       if (!sched_pc->fill_rate[1])
+               delta_min[1] = HZ;
+-      else if (tokens > sched_pc->fill_rate[1])
+-              delta_min[1] += sched_pc->interval[1] *
+-                      tokens / sched_pc->fill_rate[1];
+-      else
++      else if (tokens > sched_pc->fill_rate[1]) {
++              delta_min[1] = sched_pc->interval[1] *
++                      (tokens / sched_pc->fill_rate[1]) - delta_min[1];
++              if (tokens % sched_pc->fill_rate[1]) 
++                      delta_min[1] += sched_pc->interval[1];
++      } else
+               delta_min[1] = sched_pc->interval[1] - delta_min[1];
+       vxd_check_range(delta_min[1], 0, INT_MAX);
+