# This is a BitKeeper generated patch for the following project:
# Project Name: Linux kernel tree
# This patch format is intended for GNU patch command version 2.5 or higher.
# This patch includes the following deltas:
#	           ChangeSet	1.1680  -> 1.1681 
#	      kernel/sched.c	1.240   -> 1.241  
#
# The following is the BitKeeper ChangeSet Log
# --------------------------------------------
# 04/02/17	mort@tomahawk.engr.sgi.com	1.1681
# Process migration optimization.
# --------------------------------------------
#
diff -Nru a/kernel/sched.c b/kernel/sched.c
--- a/kernel/sched.c	Tue Feb 17 07:33:59 2004
+++ b/kernel/sched.c	Tue Feb 17 07:33:59 2004
@@ -25,6 +25,7 @@
 #include <linux/highmem.h>
 #include <linux/smp_lock.h>
 #include <asm/mmu_context.h>
+#include <asm/tlbflush.h>
 #include <linux/interrupt.h>
 #include <linux/completion.h>
 #include <linux/kernel_stat.h>
@@ -1135,6 +1136,14 @@
 		task_rq_unlock(rq, &flags);
 		wake_up_process(rq->migration_thread);
 		wait_for_completion(&req.done);
+
+		/*
+		 * we want a new context here. This eliminates TLB
+		 * flushes on the cpus where the process executed prior to
+		 * the migration.
+		 */
+		flush_tlb_mm(current->mm);
+
 		return;
 	}
 out: