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b=RwoCbvpTJSm+3gjcI+kXHqIadRx6WgRIL0CbfBz1U7AqVWHK3cxvJZmFyrN6ndDxM KE2SNvJOIGqFGn7eQnkZblRsP16GQ4VkZ3dC94e+jWm9iWesUFSvyzBaLG2z87g+xo CUB/7hxEIZg/guhyDPMNR6YKgm+cGukYESa71JCAZgws87Bf7d9X2t6P5G6sH4vPiF LpGIo2sIKVoWwA4wvwULsy7rOzD9Ees0JgvFaYoLRt/KFEHTJK+4rqY21/rIjXQfxX AgXRsPqU9R2B8Mj7NI1jup1/3se0G6/Cw8yR6j3H+ouuw/UtHtDn0aa8pouCGPR2m4 N3IP4pR3GNMUA== From: SeongJae Park To: Cc: SeongJae Park , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [RFC PATCH 03/14] samples/damon/mtier: replace damon_add_region() with damon_set_regions() Date: Tue, 19 May 2026 23:28:35 -0700 Message-ID: <20260520062858.167011-4-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260520062858.167011-1-sj@kernel.org> References: <20260520062858.167011-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: 6420E20007 X-Stat-Signature: xkuc1rcjouq7nztrcyayab6wi3e7uh8q X-Rspam-User: X-HE-Tag: 1779258549-326738 X-HE-Meta: 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 JkDiGCFb 1qSqg1lP1ngxejH4N7jTFXjJrz7DEIZm2RBBMqCEwEMZOpmthAeDxEuoACW+5r6SMb9H/rDAhEKCBklIlqAGNX6LEAylfdOPtVkcGvGoSGFzzOracyflTRjx8ffHtOvUse0XSXJRu9CZC6OYa9WDw4Hsqc4ZOdKaC5y2So91DQyNEde8z6LczAY+YJdCRuU+AgvoU27GDe0vKXyOSZ1ZAtpeZU+r3tsIW+zZmxJ+NvKyCBi+/sr4ipB2qpcuQJxr7bN9aG32wiVZSSGL7dQKFZ0WoTDWNKPyCXIq3ydUptghzmG1ODqdAvsaK2jBm6Ua9vrj5vcIreoD2zBKi8TCEbcaQYQ== 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