linux-kernel - Re: [PATCH v1 1/7] selftests/vm: add test to measure MADV

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Message-ID: <Yz3ol51pE0XZM+Ah@x1n>
Date:   Wed, 5 Oct 2022 16:27:03 -0400
From:   Peter Xu <peterx@...hat.com>
To:     David Hildenbrand <david@...hat.com>
Cc:     linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        linux-kselftest@...r.kernel.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        Shuah Khan <shuah@...nel.org>, Hugh Dickins <hughd@...gle.com>,
        Vlastimil Babka <vbabka@...e.cz>,
        Andrea Arcangeli <aarcange@...hat.com>,
        "Matthew Wilcox (Oracle)" <willy@...radead.org>,
        Jason Gunthorpe <jgg@...dia.com>,
        John Hubbard <jhubbard@...dia.com>
Subject: Re: [PATCH v1 1/7] selftests/vm: add test to measure
 MADV_UNMERGEABLE performance

On Fri, Sep 30, 2022 at 04:19:25PM +0200, David Hildenbrand wrote:
> Let's add a test to measure performance of KSM breaking not triggered
> via COW, but triggered by disabling KSM on an area filled with KSM pages
> via MADV_UNMERGEABLE.
> 
> Signed-off-by: David Hildenbrand <david@...hat.com>

Acked-by: Peter Xu <peterx@...hat.com>

-- 
Peter Xu