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Wed, 13 Aug 2025 11:52:32 +0800 From: Quanmin Yan To: CC: , , , , , , Subject: [RFC PATCH -next 05/16] mm/damon/paddr: support addr_unit for MIGRATE_{HOT,COLD} Date: Wed, 13 Aug 2025 13:06:55 +0800 Message-ID: <20250813050706.1564229-6-yanquanmin1@huawei.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250813050706.1564229-1-yanquanmin1@huawei.com> References: <20250813050706.1564229-1-yanquanmin1@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.175.113.32] X-ClientProxiedBy: kwepems100002.china.huawei.com (7.221.188.206) To dggpemf200018.china.huawei.com (7.185.36.31) X-Rspamd-Server: rspam03 X-Rspam-User: X-Rspamd-Queue-Id: 3FB291C0002 X-Stat-Signature: eybixyksbb1d4ze77z3j8fei5uxgzhtg X-HE-Tag: 1755057155-677327 X-HE-Meta: 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 lHdOMFGo vdAfMdUeJjuiui/iPoTUFLK6fDcSMzU8IdEy4jySBztc+QIdjUIfaozREzVa1BnWMC80IbyxES22cEcyCWme5tOLvY1lH/+MDCFFzR7MDRUUMBzFrvd6rnNdRnvfK//NVG+sRmsEy8yY/evtSKZ8Nwu3AvkLVY2EsxmQHalprajFwxNMlfQHoU5StJ0fA613Njr/JvuV70q/BWjCWVhPwnSjwzKz3JaStkBcH4VJ6m6cLAQy97RrDPgl+c7VNkOAg7yJD67IoO6T93glkGTjGi14uVA== 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_MIGRATE_HOT and DAMOS_MIGRATE_COLD action handling from the DAMOS operation implementation for the physical address space. Signed-off-by: SeongJae Park --- mm/damon/paddr.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/mm/damon/paddr.c b/mm/damon/paddr.c index b8a7f462967b..76e1ee82b441 100644 --- a/mm/damon/paddr.c +++ b/mm/damon/paddr.c @@ -245,15 +245,17 @@ static unsigned long damon_pa_deactivate_pages(struct damon_region *r, sz_filter_passed); } -static unsigned long damon_pa_migrate(struct damon_region *r, struct damos *s, +static unsigned long damon_pa_migrate(struct damon_region *r, + unsigned long addr_unit, struct damos *s, unsigned long *sz_filter_passed) { - unsigned long addr, applied; + phys_addr_t addr; + unsigned long applied; LIST_HEAD(folio_list); struct folio *folio; - 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; @@ -330,7 +332,7 @@ static unsigned long damon_pa_apply_scheme(struct damon_ctx *ctx, sz_filter_passed); case DAMOS_MIGRATE_HOT: case DAMOS_MIGRATE_COLD: - return damon_pa_migrate(r, scheme, sz_filter_passed); + return damon_pa_migrate(r, aunit, scheme, sz_filter_passed); case DAMOS_STAT: return damon_pa_stat(r, scheme, sz_filter_passed); default: -- 2.34.1