[SSI] openssi/kernel/mm oom_kill.c,1.4,1.5

Update of /cvsroot/ssic-linux/openssi/kernel/mm
In directory fdv4jf1.ch3.sourceforge.com:/tmp/cvs-serv16224/kernel/mm

Modified Files:
      Tag: OPENSSI-FC
	oom_kill.c 
Log Message:
Bug fixes and enhancements. See ChangeLog.


Index: oom_kill.c
===================================================================
RCS file: /cvsroot/ssic-linux/openssi/kernel/mm/oom_kill.c,v
retrieving revision 1.4
retrieving revision 1.5
diff -u -d -r1.4 -r1.5
--- oom_kill.c	10 Oct 2008 08:10:34 -0000	1.4
+++ oom_kill.c	27 Oct 2009 03:18:30 -0000	1.5
@@ -264,8 +264,38 @@
 			return mm;
 	}
 #else
-#warning not killing child first
+/* #warning not killing child first */
+#ifdef SSI_NOTYET
+#ifdef TASK_HOLD_VPROC
+ 	struct mm_struct *mm = NULL;
+	struct task_struct *c;
+	struct vproc *vc;
+	struct pvproc *pvp = PVP(p->p_vproc);
+	int error;
+
+	/* get_task_struct(p); */
+	/* read_unlock(&tasklist_lock); */
+
+	/* FIXME: nd list lock might sleep; paths leading here may be atomic */
+	VPROC_LOCK_ND_LIST_EXCL(VP(pvp), "oom_kill_process");
+
+	/* Try to kill a child first */
+	for (vc = pvp->pvp_head_childl; vc; vc = PVP(vc)->pvp_childl) {
+		if (!PV_IS_ALIVE(PVP(vc)))
+			continue;
+		c = PVP(vc)->pvp_pproc;
+		if (c->mm == p->mm)
+			continue;
+		mm = oom_kill_task(c);
+		if (mm)
+			break;
+	}
+	VPROC_UNLOCK_ND_LIST_EXCL(VP(pvp), "oom_kill_process");
+	if (mm)
+		return mm;
 #endif
+#endif /* SSI_NOTYET */
+#endif /* VPROC */
 	return oom_kill_task(p);
 }
 


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