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[2003:d8:2f45:5500:8267:647f:4209:dedd]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3a1f5a2ce36sm2655932f8f.71.2025.05.09.02.26.49 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 09 May 2025 02:26:50 -0700 (PDT) Message-ID: Date: Fri, 9 May 2025 11:26:48 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 0/2] Optimize mremap() for large folios To: Lorenzo Stoakes , Dev Jain Cc: akpm@linux-foundation.org, Liam.Howlett@oracle.com, vbabka@suse.cz, jannh@google.com, pfalcato@suse.de, linux-mm@kvack.org, linux-kernel@vger.kernel.org, peterx@redhat.com, ryan.roberts@arm.com, mingo@kernel.org, libang.li@antgroup.com, maobibo@loongson.cn, zhengqi.arch@bytedance.com, baohua@kernel.org, anshuman.khandual@arm.com, willy@infradead.org, ioworker0@gmail.com, yang@os.amperecomputing.com, baolin.wang@linux.alibaba.com, ziy@nvidia.com, hughd@google.com References: <20250507060256.78278-1-dev.jain@arm.com> <3fe90c96-da4d-4240-bd58-0bed5fe7cf5f@lucifer.local> <89f33688-00dc-4073-90f4-657b6527cec4@lucifer.local> From: David Hildenbrand Autocrypt: addr=david@redhat.com; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: 33D58100003 X-Stat-Signature: ihaurynpo9nq47dhdohxpk7dimqoid3o X-Rspam-User: X-HE-Tag: 1746782814-147649 X-HE-Meta: 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 PD6zhey+ ohgjQSI0Bh+riuw85s01hZex/raSjhK0nEwUKMZPWuqKC1S1OrzD2bj+e1TYythnGNAmtpQK0RUZ4NywtDieAGG3G+YTRdj3nlqEnsfbyQe8GYN+rYiOLuKr4/f0yKdW0trri7VToT0EqwO1+bGF7qtfBss4BWO8Tj44pbNPgu3nj3i6RIkR0sYeMDAOCOzYuDfqfPKBMGOdIr56bwhlEq7sb+ujUMXhOufW6/fpUSZbh/2REDrnucO2HlerpKL/kANfYkgh60bbntjAhL43N4cxmwdZs5kfdggOqp+onVyJ9yAMd+Q612Z3HmR5fWANFMYBGv2J1FoR098euiBd19tCIyNiJYGMAvQL7cUIUcDdZUQijHwnfyYceC/zMi1QmYiIK3A924yRW1YUhkNYxNsI8hg== 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 09.05.25 10:44, Lorenzo Stoakes wrote: > On Fri, May 09, 2025 at 10:57:05AM +0530, Dev Jain wrote: >> >> >> On 09/05/25 12:05 am, Lorenzo Stoakes wrote: >>> Dev - a general comment here - but let's slow things down a little please >>> :) >>> >>> The mprotect() version of this is still outstanding fixes and likely will >>> need quite a bit of checking before we can ensure it's stabilised. >>> >>> And now we have this mremap() series as well which also has had quite a few >>> quite significant issues that have needed addressing. >>> >>> So can we try to focus on one at a time, and really try to nail down the >>> series before moving on to the next? >>> >>> We also have outstanding review on the v1, which has now been split, which >>> does happen sometimes but perhaps suggests that it'd work better if you >>> waited a couple days or such to ensure things are settled before sending a >>> new version when there's quite a bit of feedback? >> >> Sure, I should have waited my bad, I usually do, this time I was in a haste >> with both series for no reason :( thanks for your detailed replies btw! > > No problem, I've done this in the past myself haha (sometimes even faster > than you did :P), just a case of tweaking things to fit the mm process :) We've all been there, desperately wanting to flush the todo list ... :) -- Cheers, David / dhildenb