From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id F3194437474; Mon, 13 Jul 2026 13:58:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783951129; cv=none; b=lGT1Hh66cE9JQNye9dCC2eebxlXlbXesUkkQvueaoz9oA9uopd/JrtMCC+xeQItcfCu3yGINojFrcheNJ6G5Mw4BmEu62vCiKv9T5c+0jr4exrpYomp2PY1sSA+K4lH2ukHklh/NBCgMEtsLFDwYv6uQloBa8t48J4Z/hhWPdcA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783951129; c=relaxed/simple; bh=uqt0YCzTdiYk9CWaJTOcbu4/zhkZINw0+fy6QeqfMrM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=qI1CbE0MDYTS6iIW7WAFahGhmn4Bp4AHHSglrwpnOKBX9osBgHAD93qdOsD1/2Di0+g/tDWrahMm5ZwejgDAzyYuCMFWRCwtzEdcmqBExqoN819zYm7WsLwo6weBEnMXkSAbRBwkZKx/H+VVHH0SEHV7D64EY0H2WHOp+ic5M9g= ARC-Authentication-Results:i=1; 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h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YkNMk2duo++wV39RQ3zQsSkBtiXGMU8KXH8jVFl7fKMdTT/xjjvp60qA2AMoxmk68 Eg4fUEaPBaK2tL00GYQTBSmmhplTwjTD2k3y608RG1C/j/Fh8LekoiysZImaxes3aD i+drxBJLKGmYBW0HKqOEYeyxcBZniTS0k9lWnbXQ= 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 11/34] mm: vmscan: remove stack copy address of pud pass in wallk_pud_range() Date: Mon, 13 Jul 2026 14:55:50 +0100 Message-ID: <20260713135614.1618183-12-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 change how pXdp_get() works with generic compile-time folded page tables. To prepare for that, replace passing the address of a stack copy of a pXd to walk_pmd_range() with pud pointer directly so that the ignoring the value of folded entries. There should be no functional change. Signed-off-by: Yeoreum Yun --- mm/vmscan.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/vmscan.c b/mm/vmscan.c index 986dde8e7429f..61470223d8213 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -3725,7 +3725,7 @@ static int walk_pud_range(p4d_t *p4d, unsigned long start, unsigned long end, if (!pud_present(val) || WARN_ON_ONCE(pud_leaf(val))) continue; - walk_pmd_range(&val, addr, next, args); + walk_pmd_range(pud + i, addr, next, args); if (need_resched() || walk->batched >= MAX_LRU_BATCH) { end = (addr | ~PUD_MASK) + 1; -- LEVI:{C3F47F37-75D8-414A-A8BA-3980EC8A46D7}