From: David Hildenbrand <david@redhat.com>
To: Lorenzo Stoakes <lstoakes@gmail.com>,
linux-mm@kvack.org, Andrew Morton <akpm@linux-foundation.org>,
Shuah Khan <shuah@kernel.org>,
linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: Vlastimil Babka <vbabka@suse.cz>,
Jakub Matena <matenajakub@gmail.com>,
Matthew Wilcox <willy@infradead.org>,
Mel Gorman <mgorman@techsingularity.net>,
Michal Hocko <mhocko@kernel.org>
Subject: Re: [PATCH v4] selftest/vm: add mremap expand merge offset test
Date: Mon, 2 Jan 2023 17:59:01 +0100 [thread overview]
Message-ID: <6c3725b7-53af-bcc7-2a58-a35b2bc08b4f@redhat.com> (raw)
In-Reply-To: <02b117a8ffd52acc01dc66c2fb39754f08d92c0e.1672675824.git.lstoakes@gmail.com>
On 02.01.23 17:11, Lorenzo Stoakes wrote:
> Add a test to assert that we can mremap() and expand a mapping starting
> from an offset within an existing mapping. We unmap the last page in a 3
> page mapping to ensure that the remap should always succeed, before
> remapping from the 2nd page.
>
> This is additionally a regression test for the issue solved in "mm, mremap:
> fix mremap() expanding vma with addr inside vma" and confirmed to fail
> prior to the change and pass after it.
>
> Finally, this patch updates the existing mremap expand merge test to check
> error conditions and reduce code duplication between the two tests.
>
> Signed-off-by: Lorenzo Stoakes <lstoakes@gmail.com>
> ---
Acked-by: David Hildenbrand <david@redhat.com>
--
Thanks,
David / dhildenb
prev parent reply other threads:[~2023-01-02 16:59 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-02 16:11 Lorenzo Stoakes
2023-01-02 16:59 ` David Hildenbrand [this message]
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