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AJvYcCUOZiOzWDMtaSpI6mNdHCKE65kisDOF4c06jcDGzm1sxrrF5BsBLluGwjmJrhrBKnsIPvRpRxX1gVo=@vger.kernel.org, AJvYcCWRNBf8Mtngpp27RNhPIM+4JeeLU6mGr0IbowjoKC4AAMpQKyR+d+QRySzmFEAf8fFeAwun3BDxqJLgGBLZ@vger.kernel.org X-Gm-Message-State: AOJu0YxJkNghN2ewdMhIpd+ij+DizKJ6GnYhm31ouqMp+mvKhmlwdGfi 1VlvfyJwSotOZsREK0KFXM8ZjpBh6lmlnS0X9lg/S8V50fRvPYSg9FwemVjY3NZwSkWjBUsIjPp xYZnwAhy9Ml6cmgefKNPGph5hRe+PGSE= X-Gm-Gg: ASbGncvoBW2oTXsIy69Id4Z4phlBcGJ+1a8WruUBDm80BI0XX5tmSGVTyKj+npj7q63 BgNzI9x51SePmh2GLEvnxDV2OnKJXONjiiV6Jx3w3SvLTUdJ/icxsBDZCsClG4UKE10VnV2gHr2 rcSrIntfhrMvBXB06slB4rhTXVjP1EnS6OiTdwvfT0VfsV405WhRL+JX7Qn871t+zaacdJ1V2tg pi4 X-Google-Smtp-Source: AGHT+IGJ/zFE4w+JKMjUWfvDesBnew2u7pOoc4H3+qqMTkNhD/5NjNC8e3RLUAEQRY/PUbER+yrMW04GTUY04EM7Ez0= X-Received: by 2002:a17:907:6d28:b0:ade:2e4b:50db with SMTP id a640c23a62f3a-adfad2a0920mr927784766b.10.1750086130484; Mon, 16 Jun 2025 08:02:10 -0700 (PDT) Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 References: <20250612181330.31236-1-bijan311@gmail.com> <20250612234942.3612-1-sj@kernel.org> <20250616074233.GA74466@system.software.com> In-Reply-To: <20250616074233.GA74466@system.software.com> From: Bijan Tabatabai Date: Mon, 16 Jun 2025 10:01:57 -0500 X-Gm-Features: AX0GCFv72kKkxX-qe1l08YvlwPCsH3UbKfNEIk9xWqIa4M8jORlTYRaH3Xzfz5g Message-ID: Subject: Re: [RFC PATCH 0/4] mm/damon: Add DAMOS action to interleave data across nodes To: Byungchul Park Cc: SeongJae Park , linux-mm@kvack.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, akpm@linux-foundation.org, corbet@lwn.net, david@redhat.com, ziy@nvidia.com, matthew.brost@intel.com, joshua.hahnjy@gmail.com, rakie.kim@sk.com, gourry@gourry.net, ying.huang@linux.alibaba.com, apopple@nvidia.com, bijantabatab@micron.com, venkataravis@micron.com, emirakhur@micron.com, ajayjoshi@micron.com, vtavarespetr@micron.com, damon@lists.linux.dev, kernel_team@skhynix.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Mon, Jun 16, 2025 at 2:42=E2=80=AFAM Byungchul Park w= rote: [...] Hi Byungchul, > Your approach sounds interesting. > > IIUC, the approach can be intergrated with the existing numa hinting > mechanism as well, so as to perform weighted interleaving migration for > promotion, which may result in suppressing the migration anyway tho, in > MPOL_WEIGHTED_INTERLEAVE set. > > Do you have plan for the that too? I do not currently have plans to support that, but this approach could be used there as well. > Plus, it'd be the best if you share the improvement result rather than > the placement data. Sure, I could add some performance data in the cover letter of the next revision. > Byungchul > [...] Thanks, Bijan