kernel26-magellan/patches-2.6.21-r6/0018-2.6.21-mm-idleprio_prio.patch

Set the effective priority of idleprio tasks to that of nice 19 tasks when
modifying vm reclaim behaviour.

Signed-off-by: Con Kolivas <kernel@kolivas.org>

 mm/vmscan.c |    2 ++
 1 file changed, 2 insertions(+)

Index: linux-2.6.21-ck2/mm/vmscan.c
===================================================================
--- linux-2.6.21-ck2.orig/mm/vmscan.c	2007-05-14 19:49:56.000000000 +1000
+++ linux-2.6.21-ck2/mm/vmscan.c	2007-05-14 19:49:56.000000000 +1000
@@ -980,6 +980,8 @@ static int effective_sc_prio(struct task
 	if (likely(p->mm)) {
 		if (rt_task(p))
 			return -20;
+		if (idleprio_task(p))
+			return 19;
 		return task_nice(p);
 	}
 	return 0;
1	Set the effective priority of idleprio tasks to that of nice 19 tasks when
2	modifying vm reclaim behaviour.
3
4	Signed-off-by: Con Kolivas <kernel@kolivas.org>
5
6	mm/vmscan.c \| 2 ++
7	1 file changed, 2 insertions(+)
8
9	Index: linux-2.6.21-ck2/mm/vmscan.c
10	===================================================================
11	--- linux-2.6.21-ck2.orig/mm/vmscan.c 2007-05-14 19:49:56.000000000 +1000
12	+++ linux-2.6.21-ck2/mm/vmscan.c 2007-05-14 19:49:56.000000000 +1000
13	@@ -980,6 +980,8 @@ static int effective_sc_prio(struct task
14	if (likely(p->mm)) {
15	if (rt_task(p))
16	return -20;
17	+ if (idleprio_task(p))
18	+ return 19;
19	return task_nice(p);
20	}
21	return 0;