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[91.12.97.102]) by smtp.gmail.com with ESMTPSA id p9-20020a05600c1d8900b0041563096e15sm24328825wms.5.2024.05.07.10.33.06 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 07 May 2024 10:33:07 -0700 (PDT) Message-ID: <19645506-f17d-4202-807e-f0e5c99af742@redhat.com> Date: Tue, 7 May 2024 19:33:05 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 2/3] mm/rmap: integrate PMD-mapped folio splitting into pagewalk loop To: Andrew Morton , Lance Yang Cc: Baolin Wang , willy@infradead.org, sj@kernel.org, maskray@google.com, ziy@nvidia.com, ryan.roberts@arm.com, 21cnbao@gmail.com, mhocko@suse.com, fengwei.yin@intel.com, zokeefe@google.com, shy828301@gmail.com, xiehuan09@gmail.com, libang.li@antgroup.com, wangkefeng.wang@huawei.com, songmuchun@bytedance.com, peterx@redhat.com, minchan@kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org References: <20240501042700.83974-1-ioworker0@gmail.com> <20240501042700.83974-3-ioworker0@gmail.com> <20240507102241.0a09db69afd62efb5ce84f17@linux-foundation.org> From: David Hildenbrand Autocrypt: addr=david@redhat.com; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Stat-Signature: 3739ffmj3fmcbua5n8u8aj5zqqfo1eeb X-Rspam-User: X-Rspamd-Queue-Id: 0E76C20021 X-Rspamd-Server: rspam05 X-HE-Tag: 1715103191-987113 X-HE-Meta: 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 7HMjxgFI 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 07.05.24 19:22, Andrew Morton wrote: > On Tue, 7 May 2024 16:38:07 +0800 Lance Yang wrote: > >>>> Yep, I'll also set pvmw.ptl to NULL here if any corner cases arise. >>>> >>> >>> This series already resides in mm-stable. I asked Andrew to remove it >>> for now. If that doesn't work, we'll need fixup patches to address any >>> review feedback. >> >> I'll patiently wait Andrew's response, and then submit the next version or >> fixup patches accordingly. > > Well, which series are we talking about? "mm/madvise: enhance > lazyfreeing with mTHP in madvise_free v10" or ""Reclaim lazyfree THP > without splitting v4" or both? See my other mail, "mm/madvise: enhance lazyfreeing with mTHP in madvise_free v10" is all acked/reviewed and good to go. > > And how significant are the needed fixup patches? > > And what is our confidence level after those fixups are in place? I'm afraid I won't have time to review this series this/next week, so I cannot tell. I already assumed this would not be 6.10 material. -- Cheers, David / dhildenb