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 <[email protected]>
--- 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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