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b=CQn3kgRguFhfck98i6+Dv1U6jhBDl4va2+tfUt2bJrjDWYoA1+igvZzT0T0+Ymw+8 i+/DVcnk8uLHuQDd3tHqQxTJc2Qk8NhrIx9fuw6dleb/w7x0Kvscl4kkBxFTX6Qwyo fM2kSHmMW/PkFAA/ztPsSC/HoVhi+//e/rJRRU50H5uTufU7F6FLqaNvhnNkvkXz6l LYDIhomBB/jglq87O1inkw1SpYD6vIqU9alUxxu1TVpA1gK4h8FzRuvsIXaAghjrgC CgCPV+34xVV0yn5DOXGZkYqhJ3p5CJRPcmcXlaQli4YUbLCIwzibBMxghHvvUk+yKm pLgf24oDdra1g== Message-ID: Date: Mon, 13 Jul 2026 17:23:12 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 1/2] mm/mm_slot.h: add a helper function mm_slot_remove To: xu.xin16@zte.com.cn, akpm@linux-foundation.org, ljs@kernel.org Cc: ziy@nvidia.com, baolin.wang@linux.alibaba.com, baohua@kernel.org, lance.yang@linux.dev, usama.arif@linux.dev, chengming.zhou@linux.dev, qi.zheng@linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org, npache@redhat.com, ryan.roberts@arm.com, dev.jain@arm.com, wang.yaxin@zte.com.cn References: <20260713143707966lCkTinO0i9zYAc1K2ZmqZ@zte.com.cn> From: "David Hildenbrand (Arm)" Content-Language: en-US Autocrypt: addr=david@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspam-User: X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 30125160006 X-Stat-Signature: hu9o9djmoex9ssokk9pp81kbn7xdq43w X-HE-Tag: 1783956197-664436 X-HE-Meta: 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 Ub+QcAA9 jR/x4unaMjtan5FJ5wv9tXrb645zloYeY0l/JVX8VjYzECaqICQeA97wdubh0H51YWgXD9xRSTH8vWudih0Y9KrBUhteMQnSUOK2Kx/IyW5ZewdHW66AS8rSygZSsHJYEkW8OJK5qjC79PLelIRT5ZKZadKRIprxr4+hK8kdfGdJ8gO+lW8CGv/YH3FhP2tG4svLmTN7TmdwYjk8TnGENrfx6QkmM11avZMo2pPOQ7AvcL5OKEC9WLJuL3FGJB1fFTZaNAXGi4QIM4Y4FMvDxG3Fn7vBXVV9MU5gdHRdqlnqVTDOzuzD4Ox9l58BDrPpH5ET5z33A2YRrGhASlR4BCRn0IyCcLHT09p0h3B1H3gkW2Qnxs3QALNBHIg0vf05itEIMgHVMgeM4xrI= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 7/13/26 08:37, xu.xin16@zte.com.cn wrote: > From: xu xin > > Both THP and KSM manage per-mm scanning slots using the mm_slot > structure. The slot is kept in a hash table and a list, and removal from > both containers requires the same two operations: hash_del() and > list_del(). > > Introduce mm_slot_remove() to abstract the common hash_del() + list_del() > sequence used in both khugepaged and KSM. > > No functional change is intended. > > Signed-off-by: xu xin > --- Acked-by: David Hildenbrand (Arm) -- Cheers, David