11/14 -- SUSE Labs, Novell Inc.
Increasing pageset size gives improvements on kbuild on my Xeon. Index: linux-2.6/mm/page_alloc.c =================================================================== --- linux-2.6.orig/mm/page_alloc.c +++ linux-2.6/mm/page_alloc.c @@ -1784,7 +1784,7 @@ inline void setup_pageset(struct per_cpu memset(p, 0, sizeof(*p)); p->count = 0; p->cold_count = 0; - p->high = 6 * batch; + p->high = 16 * batch; p->batch = max(1UL, 1 * batch); INIT_LIST_HEAD(&p->list); }
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