From: Baolin Wang <baolin.wang@linux.alibaba.com>
To: Barry Song <21cnbao@gmail.com>,
akpm@linux-foundation.org, linux-mm@kvack.org
Cc: chrisl@kernel.org, david@redhat.com, ioworker0@gmail.com,
kasong@tencent.com, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, ryan.roberts@arm.com,
v-songbaohua@oppo.com, x86@kernel.org,
linux-riscv@lists.infradead.org, ying.huang@intel.com,
zhengtangquan@oppo.com, lorenzo.stoakes@oracle.com
Subject: Re: [PATCH v2 1/4] mm: Set folio swapbacked iff folios are dirty in try_to_unmap_one
Date: Tue, 14 Jan 2025 10:55:53 +0800 [thread overview]
Message-ID: <21fa516b-8828-40c5-b5cb-d97cdf01f0f2@linux.alibaba.com> (raw)
In-Reply-To: <20250113033901.68951-2-21cnbao@gmail.com>
On 2025/1/13 11:38, Barry Song wrote:
> From: Barry Song <v-songbaohua@oppo.com>
>
> The refcount may be temporarily or long-term increased, but this does
> not change the fundamental nature of the folio already being lazy-
> freed. Therefore, we only reset 'swapbacked' when we are certain the
> folio is dirty and not droppable.
>
> Suggested-by: David Hildenbrand <david@redhat.com>
> Signed-off-by: Barry Song <v-songbaohua@oppo.com>
LGTM. Feel free to add:
Reviewed-by: Baolin Wang <baolin.wang@linux.alibaba.com>
next prev parent reply other threads:[~2025-01-14 2:56 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-01-13 3:38 [PATCH v2 0/4] mm: batched unmap lazyfree large folios during reclamation Barry Song
2025-01-13 3:38 ` [PATCH v2 1/4] mm: Set folio swapbacked iff folios are dirty in try_to_unmap_one Barry Song
2025-01-13 13:19 ` David Hildenbrand
2025-01-13 13:20 ` David Hildenbrand
2025-01-13 21:56 ` Barry Song
2025-01-14 2:55 ` Baolin Wang [this message]
2025-01-14 6:05 ` Lance Yang
2025-01-13 3:38 ` [PATCH v2 2/4] mm: Support tlbbatch flush for a range of PTEs Barry Song
2025-01-13 16:48 ` Will Deacon
2025-01-14 9:52 ` David Hildenbrand
2025-01-14 10:37 ` Barry Song
2025-01-13 3:39 ` [PATCH v2 3/4] mm: Support batched unmap for lazyfree large folios during reclamation Barry Song
2025-01-13 3:39 ` [PATCH v2 4/4] mm: Avoid splitting pmd for lazyfree pmd-mapped THP in try_to_unmap Barry Song
2025-01-14 3:40 ` Baolin Wang
2025-01-14 4:09 ` Barry Song
2025-01-14 6:00 ` Barry Song
2025-01-14 7:51 ` Baolin Wang
2025-01-14 6:30 ` Lance Yang
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