[PATCH][plugsched 15/28] oom support function

[Con Kolivas]

oom support function


__oom_kill_task sets a specific time_slice; modify it to have it's
time_slice adjusted in a cpu-scheduler dependant fashion.

Signed-off-by: Con Kolivas <kernel@xxxxxxxxxxx>


Index: linux-2.6.10-rc1-mm2-plugsched1/include/linux/sched.h
===================================================================
--- linux-2.6.10-rc1-mm2-plugsched1.orig/include/linux/sched.h	2004-10-29 21:47:05.007044378 +1000
+++ linux-2.6.10-rc1-mm2-plugsched1/include/linux/sched.h	2004-10-29 21:47:46.780525066 +1000
@@ -741,6 +741,7 @@ extern int task_prio(const task_t *p);
 extern int task_nice(const task_t *p);
 extern int task_curr(const task_t *p);
 extern int idle_cpu(int cpu);
+extern void set_oom_timeslice(task_t *p);
 
 void yield(void);
 
Index: linux-2.6.10-rc1-mm2-plugsched1/mm/oom_kill.c
===================================================================
--- linux-2.6.10-rc1-mm2-plugsched1.orig/mm/oom_kill.c	2004-10-29 21:42:40.068391609 +1000
+++ linux-2.6.10-rc1-mm2-plugsched1/mm/oom_kill.c	2004-10-29 21:47:46.781524910 +1000
@@ -156,7 +156,7 @@ static void __oom_kill_task(task_t *p)
 	 * all the memory it needs. That way it should be able to
 	 * exit() and clear out its resources quickly...
 	 */
-	p->time_slice = HZ;
+	set_oom_timeslice(p);
 	p->flags |= PF_MEMALLOC | PF_MEMDIE;
 
 	/* This process has hardware access, be more careful. */

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