linux-kernel - Re: [PATCH] mremap: Avoid TLB flushing anonymous pages that are not in swap cache

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Message-ID: <9dc03a4b-d359-8817-a950-b98e246dcd95@intel.com>
Date:   Tue, 5 Jun 2018 12:54:27 -0700
From:   Dave Hansen <dave.hansen@...el.com>
To:     Mel Gorman <mgorman@...hsingularity.net>
Cc:     Andrew Morton <akpm@...ux-foundation.org>, mhocko@...nel.org,
        vbabka@...e.cz, Aaron Lu <aaron.lu@...el.com>,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH] mremap: Avoid TLB flushing anonymous pages that are not
 in swap cache

On 06/05/2018 12:51 PM, Mel Gorman wrote:
> Using another testcase that simply calls mremap heavily with varying number
> of threads, it was found that very broadly speaking that TLB shootdowns
> were reduced by 31% on average throughout the entire test case but your
> milage will vary.

Looks good to me.  Feel free to add my Reviewed-by.