linux-kernel - Re: [PATCH 12/29] selftests/mm: Create uffd-common.[ch]

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Message-ID: <ZC/sLe7/PSL098Tq@linux.ibm.com>
Date:   Fri, 7 Apr 2023 13:10:53 +0300
From:   Mike Rapoport <rppt@...ux.ibm.com>
To:     Peter Xu <peterx@...hat.com>
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        David Hildenbrand <david@...hat.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Andrea Arcangeli <aarcange@...hat.com>,
        Axel Rasmussen <axelrasmussen@...gle.com>,
        Mike Kravetz <mike.kravetz@...cle.com>,
        Leonardo Bras Soares Passos <lsoaresp@...hat.com>,
        Mike Rapoport <rppt@...ux.vnet.ibm.com>,
        Nadav Amit <nadav.amit@...il.com>
Subject: Re: [PATCH 12/29] selftests/mm: Create uffd-common.[ch]

On Thu, Mar 30, 2023 at 12:07:20PM -0400, Peter Xu wrote:
> Move common utility functions into uffd-common.[ch] files from the original
> userfaultfd.c.  This prepares for a split of userfaultfd.c into two tests:
> one to only cover the old but powerful stress test, the other one covers
> all the functional tests.
> 
> This movement is kind of a brute-force effort for now, with light touch-ups
> but nothing should really change.  There's chances to optimize more, but
> let's leave that for later.
> 
> Signed-off-by: Peter Xu <peterx@...hat.com>

Reviewed-by: Mike Rapoport (IBM) <rppt@...nel.org>

> ---
>  tools/testing/selftests/mm/Makefile      |   2 +
>  tools/testing/selftests/mm/uffd-common.c | 611 ++++++++++++++++++++
>  tools/testing/selftests/mm/uffd-common.h | 117 ++++
>  tools/testing/selftests/mm/userfaultfd.c | 694 +----------------------
>  4 files changed, 731 insertions(+), 693 deletions(-)
>  create mode 100644 tools/testing/selftests/mm/uffd-common.c
>  create mode 100644 tools/testing/selftests/mm/uffd-common.h
> 

-- 
Sincerely yours,
Mike.