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b=Bqj6B4f1oF4DqBBhsnzjrmT7J91T1r2gWW2gW8hJkAeQNwEJUZZ9A3hwxjCgTIlPq +x4Qq55bZ/fK/Ivsj33dE2ScI7Jxj68SByysk4XQqy2EzHJtEATc18Dcs/9bF8e+R6 BY8H5ojUlW1XuZtTXDTsHe1gcr36+JMG1boop4cMBrjdRe9VD1Q6/EvKva1gTo7H2x QqsD/NBxbz6HjVUCHA6WuaLN/BnFwXyfJ1jqMyLAflNosdbbFqq6vsLjJTw1J95+NC 3HZc/KjhpOLx5KjZbmweHPP4O5pAZN60bsiEMxz5A7dKf/9ujJTPj4KVeDCKdqlzID QaaJ5CIGn9NKw== From: SJ Park To: Gutierrez Asier Cc: SJ Park , artem.kuzin@huawei.com, stepanov.anatoly@huawei.com, wangkefeng.wang@huawei.com, yanquanmin1@huawei.com, zuoze1@huawei.com, damon@lists.linux.dev, akpm@linux-foundation.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v3 0/3] mm/damon: Introduce a huge page collapsing mechanism using auto tuning Date: Tue, 21 Jul 2026 07:03:56 -0700 Message-ID: <20260721140357.285826-1-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <524b7d2c-4136-4476-9a84-a3dedcd00c5e@huawei-partners.com> References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: DBEB71C0002 X-Stat-Signature: mjmea6xhm6piwfeby7t4ot73xjmek8rq X-Rspam-User: X-HE-Tag: 1784642645-634828 X-HE-Meta: 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 94v1+jAb xkqmsnP8GW1VxdOYXSl0+38PQ+iNQvOsw0Sbo/qCZg5v+MHjxmCfghKNHS0vySTs2grsd/3iHIA9gu+Sn/zIUEH3DIkVlDFxskfLHVrhHmkYhcKg4BmiE3eKxxtKgRM6Y6/L8CQq4DjP+lymbbgCO8nEFKPNLcE5/+kY1BEB9DgmmJNRx5+S3lWHUobsDmafjdWJ33fCgQflbMjKhIFr0KdnNCsSFZZvjfDCm/4rtlZf7PMX6ppptk1vyoCVzRlpwLmmurUrztUHKQtlomOm7VI9GoNuENKWmm1//M8WI84TyFYFvvT5PL44tB1YgjXKr9mJ5 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Tue, 21 Jul 2026 15:58:13 +0300 Gutierrez Asier wrote: > Hi SJ, > > On 7/21/2026 6:58 AM, SJ Park wrote: > > Hello Asier, > > > > On Mon, 20 Jul 2026 12:01:37 +0000 wrote: > > > >> From: Asier Gutierrez > >> > >> Overview > >> ======== > >> This patch set introduces a new autotuning which allows to collapse > >> hot regions into hugepages. > > > > Thank you for making this series well done like this! > > > > [...] > >> Patches Sequence > >> ================ > >> Patch 1 -> Introduce DAMOS_QUOTA_HUGEPAGE_MEM_BP and autotuning > >> Patch 2 -> sysfs support for the new quota goal > >> Patch 3 -> Document hugepage_mem_bp parameter > > > > I'd prefer handling 'total' underflow and returning 10,000 instead of INT_MAX > > from damos_hugepage_mem_bp() corner cases. But definitely that is no blocker. > > For the series, > > > > Reviewed-by: SJ Park > > > > This series is applied to damon/next [1] tree. If this series is not added to > > mm.git in short term (~3 days?), I will ask mm.git maintainer (Andrew Morton) > > to pick this. In the case, I will update patch 1 to do what I mentioned as > > preferred change if you don't mind. So, no action from your side is needed for > > now. If it seems I also forgot doing that or you cannot wait for my action, > > please feel free to directly ask that to Andrew. > > > > [1] https://origin.kernel.org/doc/html/latest/mm/damon/maintainer-profile.html#scm-trees > > > > > > Thanks, > > SJ > > > > [...] > > Thanks a lot for your patience and help with the patch series. > > I will work on the suggested minor changes once the this patch set > lands into mm-next, if you don't mind. As the change is so minor, let's do so as a followup if Andrew picks this as-is. If not and if you or I do resend this series, let's do that as a part of the resend. Thanks, SJ [...]