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Wed, 20 Aug 2025 16:20:06 +0800 From: Quanmin Yan To: CC: , , , , , , Subject: [RFC PATCH mm-next v2 06/12] mm/damon/paddr: support addr_unit for DAMOS_STAT Date: Wed, 20 Aug 2025 16:06:16 +0800 Message-ID: <20250820080623.3799131-7-yanquanmin1@huawei.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250820080623.3799131-1-yanquanmin1@huawei.com> References: <20250820080623.3799131-1-yanquanmin1@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.50.85.135] X-ClientProxiedBy: kwepems200002.china.huawei.com (7.221.188.68) To dggpemf200018.china.huawei.com (7.185.36.31) X-Rspamd-Queue-Id: 7853E80008 X-Stat-Signature: kgjxwdwbjdcarxfkhjkq37uo1wtbd3tg X-Rspam-User: X-Rspamd-Server: rspam06 X-HE-Tag: 1755678010-526256 X-HE-Meta: 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 /IAPyRqf SkDKR 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: From: SeongJae Park 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 --- 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 0305e59818da..5fad2f9a99a0 100644 --- a/mm/damon/paddr.c +++ b/mm/damon/paddr.c @@ -277,17 +277,18 @@ static unsigned long damon_pa_migrate(struct damon_region *r, return 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; @@ -295,7 +296,7 @@ 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); } @@ -322,7 +323,7 @@ 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; -- 2.43.0