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b=IZ0C630GPvB3v3POgTGLrg8mKTcpDrl8Ln0Jsh8n9en4eZykTjRHOcgUAad78+7/I 2Fm8MJDfV3AzlEvvZvzeVVz380qaYjGY4/D0+LmNbdPFVwMihzlI6KzxZl+5pSqmHN UzbLs6kx0NZhuUHL9ksz/uh2pDICzmeEX/Kw7YW88qX1yJcYK6Enfeeq/YR25hnyJs 1OKVehV0IY8jI5ejbhlM5+at1ew7csIx1WOWq9Uw3UL+w2ljH7OlxWiuy6wbDHvkqx z1255h8aZrJ83WWbUT4oEbp3o91FInhEn1QTsF2GlfVGKXTuLYeZFxguFkEo2av3ck CifIVrvKfBMpQ== From: SeongJae Park To: Andrew Morton Cc: SeongJae Park , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 03/14] samples/damon/mtier: replace damon_add_region() with damon_set_regions() Date: Fri, 22 May 2026 08:40:14 -0700 Message-ID: <20260522154026.80546-4-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260522154026.80546-1-sj@kernel.org> References: <20260522154026.80546-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Stat-Signature: rhwok5r1kzht8zso8q1788tio55uifry X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 6F52D80007 X-Rspam-User: X-HE-Tag: 1779464436-39579 X-HE-Meta: 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 0Xdb9JQC EMUBYNhHShwd/KA6ZHkPSyi/ApJq+CM5MG+eZV6nk6G4+REOMQOFaLpuKSh4pRkU8YiFJFOosqZW0d2RdjozrAW0zk0KWXWvW9WuLWrQXBLoKiOXlo/CjdP6X/OW4ruMl2MOkFM2MkPsOcRDYhSABNYXgkN8o/xh8CGM0XKAO6p4YEzlAqLACs4PzufuYSczV8Dsmjco1VYkdLTwUNfQjFKgUUsxUeADC7GDJym35s49N2SOT0AVjfJHZ8qd2rBQ1IIPTeO39RC5tR/XVgIgA8ZXBJw== 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