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Message-ID: <20240607205247.b7touyyblwcpamfm@quentin>
Date: Fri, 7 Jun 2024 20:52:47 +0000
From: "Pankaj Raghav (Samsung)" <kernel@...kajraghav.com>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: Donet Tom <donettom@...ux.ibm.com>, Shuah Khan <shuah@...nel.org>,
Matthew Wilcox <willy@...radead.org>,
Tony Battersby <tonyb@...ernetics.com>, linux-mm@...ck.org,
linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org,
Ritesh Harjani <ritesh.list@...il.com>,
Mike Rapoport <rppt@...nel.org>,
Muchun Song <songmuchun@...edance.com>,
David Hildenbrand <david@...hat.com>, p.raghav@...sung.com,
usama.anjum@...labora.com
Subject: Re: [PATCH v4] selftest: mm: Test if hugepage does not get leaked
during __bio_release_pages()
On Fri, Jun 07, 2024 at 01:06:23PM -0700, Andrew Morton wrote:
> On Fri, 7 Jun 2024 13:20:00 -0500 Donet Tom <donettom@...ux.ibm.com> wrote:
>
> > V4:
> > - Added this test to run_vmtests.sh.
>
> v4 also contains this change:
I think v3 already had these changes [1]
V3:
- Fixed the build error when it is compiled with _FORTIFY_SOURCE.
[1] https://lore.kernel.org/linux-kselftest/20240607055046.138650-1-donettom@linux.ibm.com/
>
> --- a/tools/testing/selftests/mm/hugetlb_dio.c~selftest-mm-test-if-hugepage-does-not-get-leaked-during-__bio_release_pages-v4
> +++ a/tools/testing/selftests/mm/hugetlb_dio.c
> @@ -40,7 +40,7 @@ void run_dio_using_hugetlb(unsigned int
> ksft_exit_fail_msg("Unable to determine huge page size\n");
>
> /* Open the file to DIO */
> - fd = open("/tmp", O_TMPFILE | O_RDWR | O_DIRECT);
> + fd = open("/tmp", O_TMPFILE | O_RDWR | O_DIRECT, 0664);
> if (fd < 0)
> ksft_exit_fail_perror("Error opening file\n");
>
>
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