Creates pageset_set_batch() for use in setup_pageset(). pageset_set_batch() imitates the functionality of setup_pagelist_highmark(), but uses the boot time (percpu_pagelist_fraction == 0) calculations for determining ->high based on ->batch.
Signed-off-by: Cody P Schafer <c...@linux.vnet.ibm.com> --- mm/page_alloc.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 8fcced7..5877cf0 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -4004,6 +4004,14 @@ static int __meminit zone_batchsize(struct zone *zone) #endif } +/* a companion to setup_pagelist_highmark() */ +static void pageset_set_batch(struct per_cpu_pageset *p, unsigned long batch) +{ + struct per_cpu_pages *pcp = &p->pcp; + pcp->high = 6 * batch; + pcp->batch = max(1UL, 1 * batch); +} + static void setup_pageset(struct per_cpu_pageset *p, unsigned long batch) { struct per_cpu_pages *pcp; @@ -4013,8 +4021,7 @@ static void setup_pageset(struct per_cpu_pageset *p, unsigned long batch) pcp = &p->pcp; pcp->count = 0; - pcp->high = 6 * batch; - pcp->batch = max(1UL, 1 * batch); + pageset_set_batch(p, batch); for (migratetype = 0; migratetype < MIGRATE_PCPTYPES; migratetype++) INIT_LIST_HEAD(&pcp->lists[migratetype]); } @@ -4023,7 +4030,6 @@ static void setup_pageset(struct per_cpu_pageset *p, unsigned long batch) * setup_pagelist_highmark() sets the high water mark for hot per_cpu_pagelist * to the value high for the pageset p. */ - static void setup_pagelist_highmark(struct per_cpu_pageset *p, unsigned long high) { -- 1.8.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/