[PATCH]: gets a new online cpu to use percpu_pagelist_fraction

[Rohit Seth <rohit.seth@intel.com>]

If percpu_pagelist_fraction tunable is set then this patch allows a newly
brought online cpu to use new settings for high and batch values in its 
per cpu pagelists.

Signed-off-by: Rohit Seth <rohit.seth@intel.com>


--- c/mm/page_alloc.c	2005-12-09 03:43:22.000000000 -0800
+++ linux-2.6.15-rc5-mm1/mm/page_alloc.c	2005-12-09 03:45:28.000000000 -0800
@@ -1977,6 +1977,10 @@
 			goto bad;
 
 		setup_pageset(zone->pageset[cpu], zone_batchsize(zone));
+
+		if (percpu_pagelist_fraction) 
+			setup_pagelist_highmark(zone_pcp(zone, cpu), 
+			 	(zone->present_pages / percpu_pagelist_fraction));
 	}
 
 	return 0;
-
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