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DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1783074120; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=UCfZx+03VuKV5KbdUrtfrc62wyaRC4jJXsUxJMuOZtE=; b=CMk4A1ly+G2fYCzb80TaV1guaJXcy6PlhSjXm3p4qWf1/R2OD8c9r4vd9eNv1x7a0QsWTl 6kWJLBYz+9Di8HDqfoG42cZ62OTRvDw3DJ2HRNdjFrOze7VQgLt0rqclImDT+cPIfJf4AT WSc1439mr/Rg1tRkc2IiKavDdHBiyVs= From: Lance Yang To: usama.arif@linux.dev Cc: akpm@linux-foundation.org, david@kernel.org, chrisl@kernel.org, kasong@tencent.com, ljs@kernel.org, ziy@nvidia.com, linux-mm@kvack.org, ying.huang@linux.alibaba.com, baoquan.he@linux.dev, willy@infradead.org, youngjun.park@lge.com, hannes@cmpxchg.org, riel@surriel.com, shakeel.butt@linux.dev, alex@ghiti.fr, kas@kernel.org, baohua@kernel.org, dev.jain@arm.com, baolin.wang@linux.alibaba.com, npache@redhat.com, liam@infradead.org, ryan.roberts@arm.com, vbabka@kernel.org, lance.yang@linux.dev, linux-kernel@vger.kernel.org, nphamcs@gmail.com, shikemeng@huaweicloud.com, kernel-team@meta.com Subject: Re: [PATCH 1/6] mm: add softleaf_to_pmd() and convert existing callers Date: Fri, 3 Jul 2026 18:21:50 +0800 Message-Id: <20260703102150.5461-1-lance.yang@linux.dev> In-Reply-To: <20260630164143.1595669-2-usama.arif@linux.dev> References: <20260630164143.1595669-2-usama.arif@linux.dev> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT X-Stat-Signature: tkc899bgybyxxt55acokyi3des5yqkb6 X-Rspam-User: X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: 93A5D1C0003 X-HE-Tag: 1783074123-600751 X-HE-Meta: U2FsdGVkX19M3fenlp1KJpkRkzSxZPVqcaoql2z00wBKzRNHpEXgD9wQF1yFdrwQFWHkpUusrelcaT9HFyGNWReDzp1KRr7AnlH881PlQXoq+OEvShoXby0Xx4DZ4Sf2tQv/xPLn3ObCkgYBSvxMJY/OjujtTBGpHSWPa3kkCT8TkQJ2vy5Li9OvbNTjrWZwnGn9g9KDS9Uvgg87YxVA8F04qemEkLghieQ1c3ciX9UqniKsgc++rWroIOjMzq9brNHWbRK3zrXvgvDmJnU6p1bYFUhvLrfnYxD6ZjgAYjLHpoZOTPQ5SAyjTcmo92PcjvYB1nIclxGa2gABC1A3qK/VYfv15d3gByWxqv96IqDJtHELI1LhpvRy8c7V9sLfn23OdQsPurTuwzeqO2xb8EIm4pK6xjnE4fdCUpFtCnVfCQCddmh3b4fqpQL/6NK8VMXjFc8lpAuwNbKb267dmFAODowTdzpHgBAuPj7P0AOukOVt7PElMGTjYOidh+HVu8DymifqX2XVvw9zCWrDDr2C6HlRyWZF1v9ehH6T2uY64bZS4ywjAMItBwNXNx9HE9qrAME98ncYJeBvj2hkGnfL76xFBWntdkR3fYIR7eCDbmPDvEMxaau2I301cqC0OyGX5q+xqevrGwpj3NzBMr5WV+0j5/94c1j8Be7pVRW40ApZTfhrn1G20XTFC6ehSy5qxmHas3YV6e/Mqu8dHarY/19Ma6wUftqNxLTdEtdGCarWPfR7+WG6RVdYybLzI3USLJiDB7JqBK0DpSv9fREHAfHWEHs6XMM16YB2uiqZzeIO9L/7/JPNnYao8wmPOLmxAwxK3aP+IjFFGtFCGoorIraV76fC53K0CXdkDw8zVmAbgfsrr0mJkk1fzA+okmUEQJ1x9ECZ5dlFXSXzGeX/ccDd2W6d4kx51TW1d9pKqvuo58Sr1PiF0lQSitMdVhydf3GVMX166RRA88E Nx6IWl1e gUPyDfpUk5baju2OeZEjZ/MXdYRevg0VPmNrPPl4PnGMDhvRSizC1rrxKjW7BY7yYsOcMzJMPvI00uRa8uZ6uDPobJtVxCfnc0D7sSd98ypbT4AkHxNiUmQ7gM4JvcRVNjTTCFt2l/x9t6VdLFQkF5hHS5BPpmq7RREQqrF+p8zjzgH9VgAUwY+RLLLanWJ2tlgTL6V9w2ACz+ASRxo9dQe6n6dAQZSApIxLRr9qOgrhCY6maIAhA5bskqzaUJyv7ztqbJuQsEnkQlxZqtXGgfK9A+fn5xfmQ6g4fhnfqQDoG3NLV18ZDDmBEjQ== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Tue, Jun 30, 2026 at 09:34:38AM -0700, Usama Arif wrote: >Add softleaf_to_pmd() as the PMD counterpart to softleaf_to_pte(), >completing the symmetry of the softleaf abstraction for page table >leaf entries. > >The upcoming PMD swap entry support needs to construct PMD entries >from swap entries. Converting existing swp_entry_to_pmd() callers >to softleaf_to_pmd() in a prep patch keeps the feature patches >focused on new functionality rather than mixing refactoring with >new code. > >Acked-by: David Hildenbrand (Arm) >Reviewed-by: Zi Yan >Signed-off-by: Usama Arif >--- LGTM. Feel free to add: Reviewed-by: Lance Yang