linux-kernel - Re: [PATCH v2 2/2] selftests/mm: Add a new test for madv and hugetlb

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Message-ID: <6ab947df00886d80bd476121cd2c703eda91f318.camel@surriel.com>
Date:   Thu, 05 Oct 2023 23:55:47 -0400
From:   Rik van Riel <riel@...riel.com>
To:     Breno Leitao <leitao@...ian.org>, mike.kravetz@...cle.com,
        muchun.song@...ux.dev, akpm@...ux-foundation.org,
        Shuah Khan <shuah@...nel.org>
Cc:     linux-mm@...ck.org, open list <linux-kernel@...r.kernel.org>,
        "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@...r.kernel.org>
Subject: Re: [PATCH v2 2/2] selftests/mm: Add a new test for madv and hugetlb

On Thu, 2023-10-05 at 09:39 -0700, Breno Leitao wrote:
> Create a selftest that exercises the race between page faults and
> madvise(MADV_DONTNEED) in the same huge page. Do it by running two
> threads that touches the huge page and madvise(MADV_DONTNEED) at the
> same
> time.
> 

>   ----------------------------------
>   ./run_vmtests.sh: line 186: 595563 Bus error    (core dumped) "$@"
>   [FAIL]
> 
> This selftest goes together with the fix of the bug[1] itself.
> 
> [1]
> https://lore.kernel.org/all/20231001005659.2185316-1-riel@surriel.com/#r
> 
> Signed-off-by: Breno Leitao <leitao@...ian.org>
Tested-and-reviewed-by: Rik van Riel <riel@...riel.com>

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