# 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	1.1353+1.1337.43.12 -> 1.1354 
#	include/linux/timex.h	1.5.1.4 -> 1.12   
#	drivers/serial/8250.c	1.34.1.7 -> 1.38   
#	        kernel/sys.c	1.43.1.24 -> 1.54   
#	       kernel/time.c	1.11.1.7 -> 1.19   
#	         mm/memory.c	1.123.1.17 -> 1.135  
#	  drivers/char/mem.c	1.42.1.3 -> 1.46   
#	   drivers/net/tg3.c	1.72.1.36 -> 1.79   
#	           mm/mmap.c	1.85.1.8 -> 1.91   
#	            Makefile	1.410.1.27 -> 1.424  
#	           mm/slab.c	1.93.1.17 -> 1.102  
#	      kernel/sched.c	1.193.1.29 -> 1.205  
#	drivers/char/drm/drm_drv.h	1.20.1.6 -> 1.26   
#	      kernel/timer.c	1.59.1.13 -> 1.70   
#	include/asm-i386/hw_irq.h	1.21.1.4 -> 1.27   
#
diff -Nru a/mm/memory.c b/mm/memory.c
--- a/mm/memory.c	Tue Oct 28 00:39:20 2003
+++ b/mm/memory.c	Tue Oct 28 00:39:20 2003
@@ -121,8 +121,10 @@
 	}
 	pmd = pmd_offset(dir, 0);
 	pgd_clear(dir);
-	for (j = 0; j < PTRS_PER_PMD ; j++)
+	for (j = 0; j < PTRS_PER_PMD ; j++) {
+		prefetchw(pmd + j + PREFETCH_STRIDE/sizeof(*pmd));
 		free_one_pmd(tlb, pmd+j);
+	}
 	pmd_free_tlb(tlb, pmd);
 }