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b=g/1FWCl+aQjVGihXo+9mcIp4fSXtBfjgdZBL8eQtl1Jyf2rlRcOG73XntlgW6obfx ri2MhLRUwQaSuMfnP/py9poB5cgodbZXjaq3LVEW1Qb4mVV2RZ5clyH1ZwK1XnXPIL xS0EH0TYTg6H+gMlFYX9mOIu2s680Lf4DVnfqcT02IhHrXal0q0JcQL7ndS3WTmxW3 VtreEvyXiDseN7siyow0vGHpQbiNEjXtGnZ+KJGe3ynYIGPIPV0XBnVKnkILkKXMet ml2WQPiEQkhbK8rtLy/2wC37H8UMXd0MrDQF3mBQk2wdmqSQIW2mN4UmdeDBd/yyy8 gAsSAnEX72yOg== Message-ID: Date: Fri, 6 Feb 2026 12:10:28 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH mm-new v6 2/5] mm: khugepaged: refine scan progress number To: Dev Jain , Vernon Yang Cc: akpm@linux-foundation.org, lorenzo.stoakes@oracle.com, ziy@nvidia.com, baohua@kernel.org, lance.yang@linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Vernon Yang References: <20260201122554.1470071-1-vernon2gm@gmail.com> <20260201122554.1470071-3-vernon2gm@gmail.com> <85e8ded9-a9eb-4663-9c96-93af60006fb6@kernel.org> <9508744b-e5d5-49ef-825f-eef683892541@arm.com> <1a6d8295-e27b-4440-a367-af0432a7af4f@kernel.org> <15ddd3fb-abff-4a95-9670-06622bd90e1d@arm.com> From: "David Hildenbrand (Arm)" Content-Language: en-US Autocrypt: addr=david@kernel.org; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Stat-Signature: j8j7q61cbjp57r54mnqsx44fcgf53647 X-Rspam-User: X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: 03EA64000E X-HE-Tag: 1770376232-928911 X-HE-Meta: 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 cnv0l9U8 TxU19RVjQOo0ZOeXvg5w+reneQMjs99adnQnCcs4QJSGXvFKFxWM52QaicW0pm96QRMsaagdVU33CAdjAHPa/hAtwN4NCici3DztRZte6ak5WU2SLS69G0HPCKBCTX0O9RDlECDFa4QN1LVkNYEWIB8569sv1ZogbCGCs2pQXuw5o8wPQ5mpRI+yc+S6IQTULB9kcObi9ZC0MieiAiCSWy2RYWUahtpuo/Jnsl/FXExL6bqjGLLxzFkouAREh+Raq1TI3 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 2/6/26 11:00, Dev Jain wrote: > > On 06/02/26 2:32 pm, David Hildenbrand (Arm) wrote: >> On 2/5/26 15:25, Dev Jain wrote: >>> >>> >>> >>> I mean .... we don't, but the alternate is a one liner using max(). >> >> I'm fine with the max(), but it still seems like adding complexity to >> optimize something that is nowhere prove to really be a problem. > > Agreed. Vernon, let us do the increment in the loop then. I'm fine with the min(), so if you both think it's better, let's do that! It makes it slightly harder to understand what's happening, but fortunately, if we mess up slightly nobody will really notice :) -- Cheers, David