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Mon, 20 May 2024 07:31:06 -0700 (PDT) Received: from swarm07.ajou.ac.kr ([210.107.197.31]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-6f4d2aa017dsm19714531b3a.96.2024.05.20.07.31.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 20 May 2024 07:31:06 -0700 (PDT) From: Jonghyeon Kim To: SeongJae Park , damon@lists.linux.dev, linux-mm@kvack.org Cc: Andrew Morton , linux-kernel@vger.kernel.org, Jonghyeon Kim Subject: [RFC PATCH v2 3/3] mm/damon: add NUMA-awareness to DAMON modules Date: Mon, 20 May 2024 14:30:38 +0000 Message-Id: <20240520143038.189061-4-tome01@ajou.ac.kr> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240520143038.189061-1-tome01@ajou.ac.kr> References: <20240520143038.189061-1-tome01@ajou.ac.kr> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: A1B8940022 X-Rspam-User: X-Stat-Signature: uo8kbzdrwta1uj8936tsiuiwg3y1prtn X-HE-Tag: 1716215467-87731 X-HE-Meta: U2FsdGVkX1/pQDEROJ1rr/0chNZFapsxhs+/jo5gpOW/1e7SQ1WRdVlvLT+MOf6VRRt2W+q1yJOM3As/ZpWw84APCivPbKWfWHRrnRchbeNT4p67WUrxZ7Lo1DwypTk2drCR5/5Ag0mYkIN0CGvYYIbAPHzoytfPw/5kfuooXgCTO+Ov6Wiw6vajo3U4ez4NXLHf+SLm+nCIyUfUrDQLD5SZsjDCunDEWnm23T2KTZgYkGBno2F5yMgQUGhuCC9d95v8ZyUEAepGFgNy0fPM9y5c5ltV3ApnBdCRBkYPnBDUwv70OTc0O3onaqoKv5d1odkQn01bflKsGnli1cIWA1NwOhVx21gSUC4dtU9g8lFsFmntqw3VS7UuopXi5sSRtNyqAvUdxQkGN6VbDYmLuyVd3aUzHXYFr1RLmcBZswhTxvdYmaXSR13Yx7ECYDftwCQ3R1tmFQG3hrNjmT4TQCpX1vyd8GcbFsfK0qPrxauK0nPvtg7dAFrVhuwgzh4z2xLFwNFflTUWDKct4i9tBbp/Z62j8F2zuHtM69Z8NNvkXObm4xREzyCvKl7Gg1z1VgyHC7XDYKhuECnqXu+/AYrSX/LRAe+uP9tAeyzTo8Do/VQGH7oaw2sNI3sO6Kx0afUxSDfJPIW8n1MeXPNcCcnrHUBTYkh1qS3p5qGSbQk3Ty6CtJCKPd8Q4NCCHNOekvJ3hT584ChvYeocoiHl438rmRIl8tK1pthfdQSWkCLjf73PlRy4OiqWT4eX8i+R/bUefu7Ct8oKUUp6jPwB5dE4yuBcNe2ScFforhH9GDzFDNQzxZ/nhE2GiKccPd6s2v0jfrEMRpSCbe1HjhTVYhOrXuyPdmZlHcBdk9QWoyuzZkUya5rT6eiKXNBb1qHEhit4fOK+Biyp7HuG3SAafwbyYHpMN2fXDtMQCsg8XNMLSd8vVcXCyIMeyfViukRBh5tDLYQ/t5r7Y567Fgf E6HoKWkp M/UXggRXWGpK0zzBSf+EpMvvAZeBdAQzSHmWyQxnLHqUHSsizVnO9O+JmrZ7v/PDcvSJeGRndRbjnKpzW6Gk1iqMLRzqELlivlJ+lIC4mVr6Sj7+Sm/4wkE+LEm7UbC/6bhQSKh+E28kH8FtyyS3WEMLvre5hGnkDTOFLAshuqVGMI9hXdbJO6kLST46JH+r9jctMosgreRApZZebaVjoNTzn2do3gfHhhYNw3pRiKZyFzrA0Xe/hrulnijQtdOa02xpeecGC4EQNMJI9Ma2BPRE64uGmiaeEhMtwNZJ5u/+3+aGRATVWzDhS4WankkoIreIgtHbWP1oEedUlcGZOl3bu8tCQp63tWarEWrwkM7cUy0U= X-Bogosity: Ham, tests=bogofilter, spamicity=0.019295, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Using the 'target_nid' parameter of DAMOS watermark, both DAMON_RECLAIM and DAMON_LRU_SORT modules can set the monitoring range to a specific NUMA memory node. Signed-off-by: Jonghyeon Kim --- mm/damon/lru_sort.c | 13 +++++++++++++ mm/damon/reclaim.c | 13 +++++++++++++ 2 files changed, 26 insertions(+) diff --git a/mm/damon/lru_sort.c b/mm/damon/lru_sort.c index 3e25a52de..ed136ccba 100644 --- a/mm/damon/lru_sort.c +++ b/mm/damon/lru_sort.c @@ -238,6 +238,19 @@ static int damon_lru_sort_apply_parameters(void) damon_set_schemes(ctx, &hot_scheme, 1); damon_add_scheme(ctx, cold_scheme); + /* Set monitoring range from target node */ + if (hot_scheme->wmarks.metric == DAMOS_WMARK_NODE_FREE_MEM_RATE) { + int target_nid = hot_scheme->wmarks.target_nid; + + if (target_nid == NUMA_NO_NODE) + return -EINVAL; + monitor_region_start = PFN_PHYS(node_start_pfn(target_nid)); + monitor_region_end = PFN_PHYS(node_start_pfn(target_nid) + + node_present_pages(target_nid) - 1); + if (monitor_region_end < monitor_region_start) + return -EINVAL; + } + return damon_set_region_biggest_system_ram_default(target, &monitor_region_start, &monitor_region_end); diff --git a/mm/damon/reclaim.c b/mm/damon/reclaim.c index 31b8830a8..9c0c0096b 100644 --- a/mm/damon/reclaim.c +++ b/mm/damon/reclaim.c @@ -192,6 +192,19 @@ static int damon_reclaim_apply_parameters(void) } damon_set_schemes(ctx, &scheme, 1); + /* Set monitoring range from target node */ + if (scheme->wmarks.metric == DAMOS_WMARK_NODE_FREE_MEM_RATE) { + int target_nid = scheme->wmarks.target_nid; + + if (target_nid == NUMA_NO_NODE) + return -EINVAL; + monitor_region_start = PFN_PHYS(node_start_pfn(target_nid)); + monitor_region_end = PFN_PHYS(node_start_pfn(target_nid) + + node_present_pages(target_nid) - 1); + if (monitor_region_end < monitor_region_start) + return -EINVAL; + } + return damon_set_region_biggest_system_ram_default(target, &monitor_region_start, &monitor_region_end); -- 2.34.1