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Wed, 20 Aug 2025 16:20:04 +0800 From: Quanmin Yan To: CC: , , , , , , Subject: [RFC PATCH mm-next v2 04/12] mm/damon/paddr: support addr_unit for DAMOS_LRU_[DE]PRIO Date: Wed, 20 Aug 2025 16:06:14 +0800 Message-ID: <20250820080623.3799131-5-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-Server: rspam12 X-Rspamd-Queue-Id: 32492140005 X-Stat-Signature: k66ggx54pfidrqiufsc6yrq6sqykgdpj X-Rspam-User: X-HE-Tag: 1755678008-312169 X-HE-Meta: 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 s10nNzT4 y7U8eMZWOte7DlW2vjHcqAH699UG/7Y5NSYlS6rmo7v9Bo4OpS2FXHmVakoWvSV/1wz1UstiETg/eVgFpcuXmNxcXcwDZGhlsENCDTZskM3Wzp5FITB7UGfE5A2+LfCgCw1GzyIaTE1+bh80ZRmIL/G2GwTi8em+1M9mVL08S3hscl7LfcbSSZDe+3XTTIx45dsQcsHZOqswzXblYRhWiS1lu85ZW6V9Eigof37Bvd0f/Vrr8AUe4mSxxI/o0ZWmw+3BSP4wfy2fRaUDY7306WkVVecipw43TmrpOIN29JUX1YdQ= 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_LRU_PRIO and DAMOS_LRU_DEPRIO 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 | 29 +++++++++++++++++------------ 1 file changed, 17 insertions(+), 12 deletions(-) diff --git a/mm/damon/paddr.c b/mm/damon/paddr.c index 826c2064dbfd..ed71dd0bf80e 100644 --- a/mm/damon/paddr.c +++ b/mm/damon/paddr.c @@ -194,14 +194,15 @@ static unsigned long damon_pa_pageout(struct damon_region *r, } static inline unsigned long damon_pa_mark_accessed_or_deactivate( - struct damon_region *r, struct damos *s, bool mark_accessed, + struct damon_region *r, unsigned long addr_unit, + struct damos *s, bool mark_accessed, unsigned long *sz_filter_passed) { - unsigned long addr, applied = 0; + phys_addr_t addr, applied = 0; 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; @@ -211,7 +212,7 @@ static inline unsigned long damon_pa_mark_accessed_or_deactivate( if (damos_pa_filter_out(s, folio)) goto put_folio; else - *sz_filter_passed += folio_size(folio); + *sz_filter_passed += folio_size(folio) / addr_unit; if (mark_accessed) folio_mark_accessed(folio); @@ -223,20 +224,22 @@ static inline unsigned long damon_pa_mark_accessed_or_deactivate( folio_put(folio); } s->last_applied = folio; - return applied * PAGE_SIZE; + return applied * PAGE_SIZE / addr_unit; } static unsigned long damon_pa_mark_accessed(struct damon_region *r, - struct damos *s, unsigned long *sz_filter_passed) + unsigned long addr_unit, struct damos *s, + unsigned long *sz_filter_passed) { - return damon_pa_mark_accessed_or_deactivate(r, s, true, + return damon_pa_mark_accessed_or_deactivate(r, addr_unit, s, true, sz_filter_passed); } static unsigned long damon_pa_deactivate_pages(struct damon_region *r, - struct damos *s, unsigned long *sz_filter_passed) + unsigned long addr_unit, struct damos *s, + unsigned long *sz_filter_passed) { - return damon_pa_mark_accessed_or_deactivate(r, s, false, + return damon_pa_mark_accessed_or_deactivate(r, addr_unit, s, false, sz_filter_passed); } @@ -309,9 +312,11 @@ static unsigned long damon_pa_apply_scheme(struct damon_ctx *ctx, case DAMOS_PAGEOUT: return damon_pa_pageout(r, aunit, scheme, sz_filter_passed); case DAMOS_LRU_PRIO: - return damon_pa_mark_accessed(r, scheme, sz_filter_passed); + return damon_pa_mark_accessed(r, aunit, scheme, + sz_filter_passed); case DAMOS_LRU_DEPRIO: - return damon_pa_deactivate_pages(r, scheme, sz_filter_passed); + return damon_pa_deactivate_pages(r, aunit, scheme, + sz_filter_passed); case DAMOS_MIGRATE_HOT: case DAMOS_MIGRATE_COLD: return damon_pa_migrate(r, scheme, sz_filter_passed); -- 2.43.0