From: Baolin Wang <baolin.wang@linux.alibaba.com>
To: Zi Yan <ziy@nvidia.com>, Wei Yang <richard.weiyang@gmail.com>,
wang lian <lianux.mm@gmail.com>,
David Hildenbrand <david@redhat.com>,
linux-mm@kvack.org
Cc: Andrew Morton <akpm@linux-foundation.org>,
Lorenzo Stoakes <lorenzo.stoakes@oracle.com>,
"Liam R. Howlett" <Liam.Howlett@oracle.com>,
Nico Pache <npache@redhat.com>,
Ryan Roberts <ryan.roberts@arm.com>, Dev Jain <dev.jain@arm.com>,
Barry Song <baohua@kernel.org>, Vlastimil Babka <vbabka@suse.cz>,
Mike Rapoport <rppt@kernel.org>,
Suren Baghdasaryan <surenb@google.com>,
Michal Hocko <mhocko@suse.com>, Shuah Khan <shuah@kernel.org>,
linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org
Subject: Re: [PATCH v5 4/5] selftests/mm: add check_after_split_folio_orders() helper.
Date: Wed, 20 Aug 2025 17:22:30 +0800 [thread overview]
Message-ID: <a81b7fd3-c466-45c9-9374-361b780ce09b@linux.alibaba.com> (raw)
In-Reply-To: <20250818184622.1521620-5-ziy@nvidia.com>
On 2025/8/19 02:46, Zi Yan wrote:
> The helper gathers a folio order statistics of folios within a virtual
> address range and checks it against a given order list. It aims to provide
> a more precise folio order check instead of just checking the existence of
> PMD folios.
>
> The helper will be used the upcoming commit.
>
> Signed-off-by: Zi Yan <ziy@nvidia.com>
> ---
I tested this patch, and it works for me.
Tested-by: Baolin Wang <baolin.wang@linux.alibaba.com>
By the way, I moved gather_after_split_folio_orders() to the vm_util.c
file as a helper for mTHP collapse checks in my patchset[1]. I'm not
sure whether you need to move gather_after_split_folio_orders() to
vm_util.c in this patch, or if I should move it in my patchset.
[1]
https://lore.kernel.org/all/955e0b9682b1746c528a043f0ca530b54ee22536.1755677674.git.baolin.wang@linux.alibaba.com/
next prev parent reply other threads:[~2025-08-20 9:22 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-18 18:46 [PATCH v5 0/5] Better split_huge_page_test result check Zi Yan
2025-08-18 18:46 ` [PATCH v5 1/5] mm/huge_memory: add new_order and offset to split_huge_pages*() pr_debug Zi Yan
2025-08-18 18:46 ` [PATCH v5 2/5] selftests/mm: mark all functions static in split_huge_page_test.c Zi Yan
2025-08-18 18:46 ` [PATCH v5 3/5] selftests/mm: reimplement is_backed_by_thp() with more precise check Zi Yan
2025-08-19 8:54 ` David Hildenbrand
2025-08-19 16:50 ` Zi Yan
2025-08-19 16:58 ` Zi Yan
2025-08-18 18:46 ` [PATCH v5 4/5] selftests/mm: add check_after_split_folio_orders() helper Zi Yan
2025-08-20 9:22 ` Baolin Wang [this message]
2025-08-20 13:49 ` Zi Yan
2025-08-21 1:11 ` Baolin Wang
2025-08-18 18:46 ` [PATCH v5 5/5] selftests/mm: check after-split folio orders in split_huge_page_test Zi Yan
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