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h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ASMMRSEElZbqH3kcSv3cgBHwRCD0y7h1wgH3UWFgn/baB5FeIwo7Xk+LbUkFullBo ek3GdG2jwdbkGcS6tjY0I29itz5ZOSbh5hHu9lh1E6V9LwiKw1W6kVKW+GJRoc6YC2 dPS2W1hLic9wNvgpjDdvMv047vveZPnluRUq3ZWI= From: Yeoreum Yun To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, loongarch@lists.linux.dev, linux-mips@vger.kernel.org, linux-arch@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org, x86@kernel.org, linux-mm@kvack.org, kasan-dev@googlegroups.com, linux-csky@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-openrisc@vger.kernel.org Cc: david@kernel.org, linux@armlinux.org.uk, akpm@linux-foundation.org, ankur.a.arora@oracle.com, rppt@kernel.org, linmag7@gmail.com, chleroy@kernel.org, klarasmodin@gmail.com, chenhuacai@kernel.org, kernel@xen0n.name, kas@kernel.org, zhangtianyang@loongson.cn, wangyuli@aosc.io, tsbogend@alpha.franken.de, ljs@kernel.org, jgg@ziepe.ca, catalin.marinas@arm.com, will@kernel.org, arnd@arndb.de, ryan.roberts@arm.com, pasha.tatashin@soleen.com, rmclure@linux.ibm.com, baolin.wang@linux.alibaba.com, tj@kernel.org, kevin.brodsky@arm.com, anup@brainfault.org, atish.patra@linux.dev, pjw@kernel.org, palmer@dabbelt.com, aou@eecs.berkeley.edu, alex@ghiti.fr, dave.hansen@linux.intel.com, luto@kernel.org, peterz@infradead.org, tglx@kernel.org, mingo@redhat.com, bp@alien8.de, hpa@zytor.com, hannes@cmpxchg.org, mhocko@kernel.org, qi.zheng@linux.dev, shakeel.butt@linux.dev, kasong@tencent.com, baohua@kernel.org, axelrasmussen@google.com, yuanchu@google.com, weixugc@google.com, ryabinin.a.a@gmail.com, glider@google.com, andreyknvl@gmail.com, dvyukov@google.com, vincenzo.frascino@arm.com, anshuman.khandual@arm.com, yang@os.amperecomputing.com, chaitanyas.prakash@arm.com, ardb@kernel.org, guoren@kernel.org, yang.li85200@gmail.com, viro@zeniv.linux.org.uk, dinguyen@kernel.org, schuster.simon@siemens-energy.com, wangruikang@iscas.ac.cn, junhui.liu@pigmoral.tech, muchun.song@linux.dev, vishal.moola@gmail.com, namcao@linutronix.de, pavel@kernel.org, djbw@kernel.org, yu-cheng.yu@intel.com, baolu.lu@linux.intel.com, Jonathan.Cameron@huawei.com, coxu@redhat.com, andreas@gaisler.com, liam@infradead.org, vbabka@kernel.org, surenb@google.com, mhocko@suse.com, geert@linux-m68k.org, shorne@gmail.com, jonas@southpole.se, stefan.kristiansson@saunalahti.fi, Yeoreum Yun Subject: [RFC PATCH 27/34] m68k: mm: remove usage of pgd_page_vaddr() for CONFIG_PGTABLE_LEVELS=3 Date: Mon, 13 Jul 2026 14:56:06 +0100 Message-ID: <20260713135614.1618183-28-yeoreum.yun@arm.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260713135614.1618183-1-yeoreum.yun@arm.com> References: <20260713135614.1618183-1-yeoreum.yun@arm.com> Precedence: bulk X-Mailing-List: linux-arch@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit We want to rework how pgd_page_vaddr() behaves for generic compile-time folded page tables by disallowing its use and triggering a compile-time error when it is used improperly, ensuring that the actual first-level pXd_pgtable() function is used instead. For this, change usage of pgd_page_vaddr() to pud_pgtable() for the functions used when PGTABLE_LEVELS=3. There should be no functional change. Signed-off-by: Yeoreum Yun --- arch/m68k/mm/init.c | 2 +- arch/m68k/mm/motorola.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/m68k/mm/init.c b/arch/m68k/mm/init.c index 3b88c0dd1616d..d8351c210f58d 100644 --- a/arch/m68k/mm/init.c +++ b/arch/m68k/mm/init.c @@ -95,7 +95,7 @@ static inline void init_pointer_tables(void) if (!pud_present(*pud)) continue; - pmd_dir = (pmd_t *)pgd_page_vaddr(kernel_pg_dir[i]); + pmd_dir = pud_pgtable(*pud); init_pointer_table(pmd_dir, TABLE_PMD); for (j = 0; j < PTRS_PER_PMD; j++) { diff --git a/arch/m68k/mm/motorola.c b/arch/m68k/mm/motorola.c index b30aa69a73a6a..03235d0618ef0 100644 --- a/arch/m68k/mm/motorola.c +++ b/arch/m68k/mm/motorola.c @@ -273,7 +273,7 @@ static pmd_t * __init kernel_ptr_table(void) if (!pud_present(*pud)) continue; - pmd = pgd_page_vaddr(kernel_pg_dir[i]); + pmd = (unsigned long)pud_pgtable(*pud); if (pmd > last) last = pmd; } -- LEVI:{C3F47F37-75D8-414A-A8BA-3980EC8A46D7}