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b=UnLggAkMP6ZzbqLK3aFlJGXPx5FMAwHo5QwxFUKS1hKK8elMOjsu7i+htVD0vLRYv PD9zqWNyaaz/UXKTwWDBjyxrCgVVI0ZI6zvpMfAcEmN14QC3LALw/KzWxKBWc39j3V GE3C7S/Aj15UHf+OuUvrnfDt4/lwjBO8vQWHr2vskGsNhArDKnJsMWIZi1JyhJAHDZ yZS7AduyLO0M33zB+JvlFTEbXQH0x1iH1D/gHQ2hOQUTwA34+LIdXCtQfymr4OPEgg ysLoH7nXrT65m8KiiruFBIlzh4rSTGx9LhCaiWWOq3XU1oCd54VMpc47nFndjT5eM1 AVZjiCAJ/eO7w== From: SeongJae Park To: SeongJae Park Cc: Simon Wang , "akpm@linux-foundation.org" , "hannes@cmpxchg.org" , "david@redhat.com" , "mhocko@kernel.org" , "zhengqi.arch@bytedance.com" , "shakeel.butt@linux.dev" , "lorenzo.stoakes@oracle.com" , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" , "damon@lists.linux.dev" , Honggyu Kim Subject: Re: [PATCH 2/2] mm/damon/sysfs-schemes: add use_nodes_of_tier on sysfs-schemes Date: Thu, 5 Jun 2025 11:20:50 -0700 Message-Id: <20250605182050.83282-1-sj@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250530194016.51798-1-sj@kernel.org> References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: 7C56E14000C X-Stat-Signature: zmrca4chqbugakxcypmyy6hoqmdcrfp9 X-Rspam-User: X-HE-Tag: 1749147653-615661 X-HE-Meta: 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 SV3xTfAU 51lq5Y5FRQ9VdKN7JvJPEleiIF603nI7q3k0NsDmGcPepUrH+aRRHDv9/jxFVxnQ9+oPxMlHTieAdpojpB4nI/ng9AJccnxoJYG23MKUXjPRsiuIibeLZPKg6J4+RPda6vczNz7mURSp81J7FG3pgRf8qKk5cwZKOxzy3Tg3KDEdhDLWNN9XlDunflSsOwRcBZZ687T6tH1dygnhWQob7fqDOiANVU/RrLD0zk28vYXRmBd5HPyKPOvbnA6NLexie4il5E0FvxbvNAlZG7wpUY5GYrKYdAX3BH8hShBWPujgOOSasNYZpF7nwAXopn3DRUSZm 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 Fri, 30 May 2025 12:40:16 -0700 SeongJae Park wrote: [...] > So I suggest to set mtc->nmask as NULL, and use alloc_migration_target() from > __damon_pa_migrate_folio_list(), same to move_pages() system call. To use > alloc_migrate_folio() from __damon_pa_migrate_folio_list(), we renamed it from > alloc_demote_folio(), and made it none-static. If we use > alloc_migration_target() from __damon_pa_migrate_folio_list(), there is no > reason to keep the changes. Let's revert those too. > > Cc-ing Honggyu, who originally implemented the current behavior of > __damon_pa_migrate(). Honggyu, could you please let us know if the above > suggested changes are not ok for you? > > If Honggyu has no problem at the suggested change, Simon, would you mind doing > that? I can also make the patches. I don't really care who do that. I just > think someone should do that. This shouldn't be urgent real issue, in my > opinion, though. This is a friendly reminder of the above. Please let me know if you have any opinion. I will proceed to make the patches if I don't get other inputs by this week. Thanks, SJ [...]