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Subject: Re: Question about the laziness of MADV_FREE
References: <47407223-2fa2-2721-c6c3-1c1659dc474e@nh2.me>
 <20181129180057.GZ6923@dhcp22.suse.cz>
 <1423043c-af4b-0288-9f42-e00be320491b@nh2.me>
 <20181129205423.GA6923@dhcp22.suse.cz>
From: =?UTF-8?Q?Niklas_Hamb=c3=bcchen?= <mail@nh2.me>
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Date: Fri, 30 Nov 2018 00:00:26 +0100
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To: Michal Hocko <mhocko@kernel.org>
Cc: linux-mm@kvack.org

On 2018-11-29 21:54, Michal Hocko wrote:
> From a quick look it should be 15*number_of_cpus unless I have missed
> other caching. So this shouldn't be all that much unless you have a
> giant machine with hundreds of cpus.

For clarfication, is that 15*number_of_cpus many pages, or "factor" 15*number_of_cpu off what LazyFree reports?