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b=dlwjjmAN5exUXxKzSr7aztzw1rqe/edAluNaa+H+ezpC15TEu0GqGdqUy8XYKqgdP PZUYAzbZDo7IdEabFTcFJyZJUbMKynuFtEsMOAnPn1Q1qqiggl8cVHjYYZlserVIyK OZRkOKRbDTAarYHDj7f5HANnhoigVurCbNnMSVB68inIcJmFNiykQ50AedJFDPTKBX 3v7amtV5PxRbKqS7AJrVF/pRDr9GA3z/X5indIio/MQ10oqWYACopnjaflhWau2ctR ZkS4sZ44xiL0P2t//jcELeaDmjsB7o3n0FWfJA1+BSnEfkYnMTGV5ht8dj7/3AQiWA lslVsudX3oU8Q== From: SeongJae Park To: Cc: SeongJae Park , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [RFC PATCH v1.1 03/14] samples/damon/mtier: replace damon_add_region() with damon_set_regions() Date: Wed, 20 May 2026 20:53:37 -0700 Message-ID: <20260521035349.87565-4-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260521035349.87565-1-sj@kernel.org> References: <20260521035349.87565-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Queue-Id: 8ADBA160006 X-Rspamd-Server: rspam04 X-Stat-Signature: iy5eqotenc77e34o5soba8cbkf3fhgs9 X-HE-Tag: 1779335641-952795 X-HE-Meta: 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 xAzUTw0k 1HPLWqW264tN4ebSoUXx4FB4vwyQD+4axSgVJCsxS4J7hjduWrwDEEfGOn9Rl/BGJ7aOodP/ncwk+L9EwyUXdD15NZpMruvaZ61O5bQm07Xop2MrDeBW4M52MHWp0RcUWZgWn4Yws2OFl7HkyHlzdcZv8HizkY8KJzjMyutjBdVMlXloCKik+HOLiImnMvCC45sggYn/R/1ya/E2BhcNeTOWXPjro1R1Xr7O8F2xTWoxeiTPrYBMCct56zASJ3lCZ570k4LSVI8NdddiGnqHG6LIQwI672PgCmMpETQXIoo9bmr9s1geTy00j/DW6O9UCnC5NAwOX1BcfdSNeWoeswhlv8w== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: mtier DAMON sample module and DAMON virtual address operation set (vaddr) unit tests are using damon_add_region() for setup of DAMON monitoring target region boundaries setup. But, damon_set_regions() is designed for exactly the purpose. All other DAMON API callers use the function for the purpose. Replace damon_add_region() usage in mtier sample module with damon_set_regions(), for unifying the use case and reducing the maintenance cost. Signed-off-by: SeongJae Park --- samples/damon/mtier.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/samples/damon/mtier.c b/samples/damon/mtier.c index 775838a23d935..eb1143de8df17 100644 --- a/samples/damon/mtier.c +++ b/samples/damon/mtier.c @@ -75,11 +75,11 @@ static struct damon_ctx *damon_sample_mtier_build_ctx(bool promote) struct damon_ctx *ctx; struct damon_attrs attrs; struct damon_target *target; - struct damon_region *region; struct damos *scheme; struct damos_quota_goal *quota_goal; struct damos_filter *filter; struct region_range addr; + struct damon_addr_range range; int ret; ctx = damon_new_ctx(); @@ -120,10 +120,12 @@ static struct damon_ctx *damon_sample_mtier_build_ctx(bool promote) addr.end = promote ? node1_end_addr : node0_end_addr; } - region = damon_new_region(addr.start, addr.end); - if (!region) + range.start = addr.start; + range.end = addr.end; + + ret = damon_set_regions(target, &range, 1, DAMON_MIN_REGION_SZ); + if (ret) goto free_out; - damon_add_region(region, target); scheme = damon_new_scheme( /* access pattern */ -- 2.47.3