Re: [RFC][PATCH 4/5] memory_pressure_notify() caller

From: KAMEZAWA Hiroyuki
Date: Mon Jan 14 2008 - 21:03:33 EST


On Tue, 15 Jan 2008 10:02:30 +0900
KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx> wrote:

> +
> + notify_threshold = (zone->pages_high +
> + zone->lowmem_reserve[MAX_NR_ZONES-1]) * 2;
> +
Why MAX_NR_ZONES-1 ?


> + if (unlikely((prev_free <= notify_threshold) &&
> + (zone_page_state(zone, NR_FREE_PAGES) > notify_threshold)))
> + memory_pressure_notify(zone, 0);
> }

How about this
==
if (unlikely(zone->mem_notify_status && ...)


Thanks,
-Kame

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