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Thu, 21 Aug 2025 19:05:44 +0800 From: Quanmin Yan To: CC: , , , , , , Subject: [PATCH 03/11] mm/damon/paddr: support addr_unit for DAMOS_PAGEOUT Date: Thu, 21 Aug 2025 18:51:51 +0800 Message-ID: <20250821105159.2503894-4-yanquanmin1@huawei.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250821105159.2503894-1-yanquanmin1@huawei.com> References: <20250821105159.2503894-1-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: rspam02 X-Rspamd-Queue-Id: B3198A0013 X-Stat-Signature: i16fpg9iqy3tbx1yzuw9nfx39dcyqhqw X-Rspam-User: X-HE-Tag: 1755774370-777371 X-HE-Meta: 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 78sJzNMU 7OMi+HbOHOhrs43fJAeng9x2tpgy8l98ELglBAKlkt4KbOyPdsdUm2SSosQBMDy5pe+3eRz6zdORCH8aYtP2BppTkt7L1jEd1HDSn4npaSoGL1j+1dVdl/1r336twQw91B33QRh+r57cjTngu5L5mHz2T+/vk+dL69sOhPGXp4nDriNKkBxbSPiXKAgOmMAT2kNPg+kOAUkfqUKRUwzG9tpJ5jCQSqadmsNtknRg6c72EtIhoacUx/baPmCdaEYiziXx0ikI7XQZL5AmYEToa9vaaFMp+i0PyW2ePvU9XXihaI9Q= 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_PAGEOUT 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 | 17 ++++++++++------- 1 file changed, 10 insertions(+), 7 deletions(-) diff --git a/mm/damon/paddr.c b/mm/damon/paddr.c index d497373c2bd2..826c2064dbfd 100644 --- a/mm/damon/paddr.c +++ b/mm/damon/paddr.c @@ -135,10 +135,11 @@ static bool damon_pa_invalid_damos_folio(struct folio *folio, struct damos *s) return false; } -static unsigned long damon_pa_pageout(struct damon_region *r, struct damos *s, +static unsigned long damon_pa_pageout(struct damon_region *r, + unsigned long addr_unit, struct damos *s, unsigned long *sz_filter_passed) { - unsigned long addr, applied; + phys_addr_t addr, applied; LIST_HEAD(folio_list); bool install_young_filter = true; struct damos_filter *filter; @@ -159,8 +160,8 @@ static unsigned long damon_pa_pageout(struct damon_region *r, struct damos *s, damos_add_filter(s, filter); } - 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; @@ -170,7 +171,7 @@ static unsigned long damon_pa_pageout(struct damon_region *r, struct damos *s, 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; folio_clear_referenced(folio); folio_test_clear_young(folio); @@ -189,7 +190,7 @@ static unsigned long damon_pa_pageout(struct damon_region *r, struct damos *s, applied = reclaim_pages(&folio_list); cond_resched(); s->last_applied = folio; - return applied * PAGE_SIZE; + return applied * PAGE_SIZE / addr_unit; } static inline unsigned long damon_pa_mark_accessed_or_deactivate( @@ -302,9 +303,11 @@ static unsigned long damon_pa_apply_scheme(struct damon_ctx *ctx, struct damon_target *t, struct damon_region *r, struct damos *scheme, unsigned long *sz_filter_passed) { + unsigned long aunit = ctx->addr_unit; + switch (scheme->action) { case DAMOS_PAGEOUT: - return damon_pa_pageout(r, scheme, sz_filter_passed); + return damon_pa_pageout(r, aunit, scheme, sz_filter_passed); case DAMOS_LRU_PRIO: return damon_pa_mark_accessed(r, scheme, sz_filter_passed); case DAMOS_LRU_DEPRIO: -- 2.43.0