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Wed, 16 Apr 2025 04:26:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1744777561; bh=Myr9hqDo4a3r6KKSLBNVuCCKy2yFFpmUIR+1u2z5KfY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ssgOo52A+rMsAEaIo1nl30iYl9LUCcs1e6V1UzIcrgdUsg8Q4lUrtgTm52upgkvT6 6WBId0vtCYjDycLRtsC6a1hm6EP3xIy2Jhh67DomvL4cbXtSkJ731/nkBOAzKUERVr Pm7+eWR27haRl5A6P4pi/dHzOKewqdiJ3X93/bZ+j4x8PMuScCEa6U2i8xB5y3tZbq GP2ls75H3R5q6PchY2DVVfS4/3sLdO3JhMnWa7epoYxSN8V9Xf8+4GfBphZlbc4r2Y KNLtILFsYKs5rS1KvuO74Or7ZlrSZ+3vRfJl9uo8gmy6BO2f2FZZzpMwtl15kOyTyk oh38xbLPIs6hA== From: SeongJae Park To: Cc: SeongJae Park , Andrew Morton , Ze Zuo , damon@lists.linux.dev, kernel-team@meta.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [RFC PATCH 05/10] mm/damon/paddr: support addr_unit for MIGRATE_{HOT,COLD} Date: Tue, 15 Apr 2025 21:25:46 -0700 Message-Id: <20250416042551.158131-6-sj@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250416042551.158131-1-sj@kernel.org> References: <20250416042551.158131-1-sj@kernel.org> MIME-Version: 1.0 X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: 3667C140002 X-Stat-Signature: fwpb8ehi6fauj4gkfssi4s3j37h7cojr X-Rspam-User: X-HE-Tag: 1744777563-145062 X-HE-Meta: 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 +ObIQEJN WmoSXnevgO4MlEg8TM0p4INqgyAEPZGkYRpDSVQWzEDOozzqf/ViF6zL/thBnGJ5USzeZr1L6Qr8jbKCp/a6jkWSz47w61uSvLnd4ajlQoHmIAOSSSpxYeHrDzI1xFz6Gtx5qFKzYC4Eu3UHt2wcMh3Hao7y2vuRHXHL90DBH64mxVTUjo1DimxsNf0Ieu1hc+2LtFwlXxpUWCcDE7dUtvQigE4BusdvLlvXKQE/+O8H09XXpF+7d89ySlfDwQt3Lgf8rCTZzng6kXp+bjD7RLT6d+w== 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_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 fc1c720e8cb5..20955eefcdbf 100644 --- a/mm/damon/paddr.c +++ b/mm/damon/paddr.c @@ -518,15 +518,17 @@ static unsigned long damon_pa_migrate_pages(struct list_head *folio_list, return nr_migrated; } -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; @@ -691,7 +693,7 @@ 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); #ifdef CONFIG_ACMA case DAMOS_ALLOC: return damon_pa_alloc_or_free(r, scheme, true);