X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=linux-2.6-210-vserver-cpu-sched.patch;h=c2319da23438519fc2177a98d80d88e62efe911b;hb=2beb387a7bfa8cbeba68af6d4691996ab1b61427;hp=fac58b767ac04b1edbfaebaeb49bfda938ab7afb;hpb=fc1466b7a1f154241e4745abbceaad75e91b8d8c;p=linux-2.6.git

diff --git a/linux-2.6-210-vserver-cpu-sched.patch b/linux-2.6-210-vserver-cpu-sched.patch
index fac58b767..c2319da23 100644
--- 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);
+