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b=fmFEKtsF9NbDuJufKLJyMTnrxl4FEig2ZS4T+ULHygt3c8X7mDRAtCE5JAqcculiU kyUE6iiiyi6fCLo3tx9CD3MPDkgiMihYeEpgqr/aRtpxbxs9TPz6SdGY4eB0I057BY ZZBB3paIFdzOnC6yw1xnBAC6YBGb82+uCLxehk28tncossRjUA+r1qA4vpHB2YnNnF oIa4cQxY78apjx6gQyTcgbPJFIB6Q0kM52+yTXLn7a+i8FVY0cLh3/OBhxQxc0iEVX R5UKPDu38pyq5cY6Yw8gitFjkd1t/11AOrI3kOt1a7aGgOVz3z8oAUGUX7eSycSlMx Jym+oTukm3YaQ== From: SeongJae Park To: Andrew Morton Cc: SeongJae Park , Quanmin Yan , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org, wangkefeng.wang@huawei.com, zuoze1@huawei.com Subject: [PATCH v3 06/11] mm/damon/paddr: support addr_unit for DAMOS_STAT Date: Thu, 28 Aug 2025 10:12:37 -0700 Message-Id: <20250828171242.59810-7-sj@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250828171242.59810-1-sj@kernel.org> References: <20250828171242.59810-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam03 X-Rspam-User: X-Rspamd-Queue-Id: 31D9D14000D X-Stat-Signature: 6nckj55rtuqurb44bptjry1bdghhhdp8 X-HE-Tag: 1756401174-739915 X-HE-Meta: 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 CBZmvYyQ w2Viwoj9EGS0o+D9EcEcldznM9DBC+oE1ZeGn8/JTKOmLdgt7CcAO6miGQLRNDRnqYzoSCN1tcLHwuDIf1hJ2yLv30WUKQBVWzI5R9s2acDscP8wyG4SoZiL2UKJ9wl3wTtVkPNFj7e4K7IyjpwT1MHO6NkXWHOA7QSgegAr/mky3gEVp1VmG9gU47BEAdmP1JL9MNHQvaJKLihY6yiI7T6d2hRof4Gvkr28sulB9pJcu0HDDhTEUxODLCxOF2T1TQDhwROFEHh+bhSpp6Yg3r4gEMQjyBjozUoBQHSv26rrjdvjKA4vQkcuSO2JmGDM1D+Ab5/khwt3aK0A/d010eUBJDw== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Add support of addr_unit for DAMOS_STAT action handling from the DAMOS operation implementation for the physical address space. Signed-off-by: SeongJae Park Signed-off-by: Quanmin Yan Reviewed-by: SeongJae Park --- mm/damon/paddr.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/mm/damon/paddr.c b/mm/damon/paddr.c index 0a122a8a9f1c..07a8aead439e 100644 --- a/mm/damon/paddr.c +++ b/mm/damon/paddr.c @@ -290,17 +290,18 @@ static unsigned long damon_pa_migrate(struct damon_region *r, return damon_pa_core_addr(applied * PAGE_SIZE, addr_unit); } -static unsigned long damon_pa_stat(struct damon_region *r, struct damos *s, +static unsigned long damon_pa_stat(struct damon_region *r, + unsigned long addr_unit, struct damos *s, unsigned long *sz_filter_passed) { - unsigned long addr; + phys_addr_t addr; struct folio *folio; if (!damos_ops_has_filter(s)) return 0; - addr = r->ar.start; - while (addr < r->ar.end) { + addr = damon_pa_phys_addr(r->ar.start, addr_unit); + while (addr < damon_pa_phys_addr(r->ar.end, addr_unit)) { folio = damon_get_folio(PHYS_PFN(addr)); if (damon_pa_invalid_damos_folio(folio, s)) { addr += PAGE_SIZE; @@ -308,7 +309,7 @@ static unsigned long damon_pa_stat(struct damon_region *r, struct damos *s, } if (!damos_pa_filter_out(s, folio)) - *sz_filter_passed += folio_size(folio); + *sz_filter_passed += folio_size(folio) / addr_unit; addr += folio_size(folio); folio_put(folio); } @@ -335,7 +336,7 @@ static unsigned long damon_pa_apply_scheme(struct damon_ctx *ctx, case DAMOS_MIGRATE_COLD: return damon_pa_migrate(r, aunit, scheme, sz_filter_passed); case DAMOS_STAT: - return damon_pa_stat(r, scheme, sz_filter_passed); + return damon_pa_stat(r, aunit, scheme, sz_filter_passed); default: /* DAMOS actions that not yet supported by 'paddr'. */ break; -- 2.39.5