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Mon, 26 Jun 2023 20:15:43 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::16]) by smtp.googlemail.com with ESMTPSA id s4-20020a0dd004000000b0057399b3bd26sm1614798ywd.33.2023.06.26.20.15.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 26 Jun 2023 20:15:43 -0700 (PDT) From: "Vishal Moola (Oracle)" To: Andrew Morton , Matthew Wilcox Cc: linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-openrisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, xen-devel@lists.xenproject.org, kvm@vger.kernel.org, Hugh Dickins , "Vishal Moola (Oracle)" , Mike Rapoport Subject: [PATCH v6 17/33] mm: Remove page table members from struct page Date: Mon, 26 Jun 2023 20:14:15 -0700 Message-Id: <20230627031431.29653-18-vishal.moola@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230627031431.29653-1-vishal.moola@gmail.com> References: <20230627031431.29653-1-vishal.moola@gmail.com> MIME-Version: 1.0 X-Rspam-User: X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: A5B1E100011 X-Stat-Signature: h15uogxn1onoj5sgtpjx6ueuea1qo7ws X-HE-Tag: 1687835744-763258 X-HE-Meta: U2FsdGVkX1+f5bX+fnIkolLgBmfi+lf44vwIhacaHIvnGdUY62WK41kOwf7U3+K+zQ2dq7bmITHZSuzwmuxQmG5BVbR4EkUFWS6bHhT39cuaAj108jsgj8/lRnJKO3iYQH9NnM11ILvMjHprsMnQwkzkdmNrrh+QQyTgDqCPeSiRS1kh3PsmCRfgAk2vtRZ0bVN62gUAylW9d4uO05p0FzQLqsF8+kO4WsWiMBcXhO+L6+wYw2i5NwgF+YxAIduiZVOU6DhIb6q4tY+zYj2WZRv3KEe+KWLk+gcuVBhx2hBVGRhkTeECZtNLIMDIhS8FPG58EtPDC+o5OcVItWsSZBRHnfNSbpP6tPMa65k/Qd71xsw5alRDZrMMpDaRR79Nl5cKZPF5QxA9Aw/JuVX/vfzfEQHP1lK6Mr1MqBdv5O7AHcnBjrUr1sPPQOyefFSWR3KXtPvQf1Qan7AIpSoQHQnLPZQoeUXC+EsUvAyzvtMHmrgI8NmhGX8d9sgnWOVZ1jyIPK9AoS4bqARY+nM3WcBvs+13TeWqdrSGhjHTdPZG9K/XXpEnm4CQ8La3CIKZXmJqAzFz5Hi+7QvGa3j+caaworQOunRbkH+UrftVJIKNy45+HPGSqNO4QysL4y/JChrgPxxtkBCAGjr+c/1A4g4WKDV/1rDEgNXs19AnpNI3VWVC1n70Ha3mRpXVRf4g+bZx7TaY5bau65Np+PMIudpqBT5TTjcYbPyyaq8fVka8pLg4MGAencHHENdLl5ny+Zptx0WGY7xeBT6v+Ar2AXSXJK043wFPsAYLEwLkC0sTvGY9WKB8lB34e0C2yPXnqaaIpgv7sWXZVdo6tNf81DO+EnOksqyHw3xIryRmLtmsTrNLKvff0v/5jo8+jaDGq16o1OxS0jz6lkoP5aX06Y4XklpwelY4RypigSeWK6aiA7vHCpo1h7/2HfAuXZX63R48VptYMIujHhLLT6Q ZxHt89BT p5ehkhrvfOuMkHvuCDk3nK77QKyQicZnFChidvL1V7z04Yd73pxx1hYJA9K6ZsB5gKrqSfPNhMnShEvP3OwfvThqeS8CzcNEBX3GUTCC1q/jE4EoyukzM4U0ZHYHfEGlW2jW8UUvV3xJNHjGa/wbofeJHnop4qBg/1FGVfSWkxcq/OojwxvwkwXCQfIvx4sQuaubvPJidlt8r/AAw27H6qNNW0ByKS7WBcSp6ANrJ2S3fOvXHMjXQ90cZdPVzczheZuGrLwyoHsDDT3UD6XZ6kELUlOmEdsJ/ZRSxXezqkQRpRF8egVAz2A78j877+0z5C/PQm5ZLPtFbaloUvSsiA0SiaqMrY5+sX3QXcgMvMSm9wM9tU/vw1maU40ERe5rqBYAzyxBwgXIbl0bwKhQbLQkCv09G4WTcyEtufN4NVJV+f8qalxQKS8bsSPcBjSH1qfovS1Jj3z5Mg+tDiNONkzjGXVyHMbWMvyd3ZkkpjCFauvrkcqxFnxYhWDWN29sCd1HKSl5MOrs4DEYV1AyuykgA6VIT7mi1SOYxkvgM7UcpiknFyKCnEFO1x/ewx/qzv3Y6/4QxLTJRtBFi6P5QsuM4kA== 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: The page table members are now split out into their own ptdesc struct. Remove them from struct page. Signed-off-by: Vishal Moola (Oracle) Acked-by: Mike Rapoport (IBM) --- include/linux/mm_types.h | 14 -------------- include/linux/pgtable.h | 3 --- 2 files changed, 17 deletions(-) diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index fbbe4e93a9ba..434e54440686 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -141,20 +141,6 @@ struct page { struct { /* Tail pages of compound page */ unsigned long compound_head; /* Bit zero is set */ }; - struct { /* Page table pages */ - unsigned long _pt_pad_1; /* compound_head */ - pgtable_t pmd_huge_pte; /* protected by page->ptl */ - unsigned long _pt_s390_gaddr; /* mapping */ - union { - struct mm_struct *pt_mm; /* x86 pgds only */ - atomic_t pt_frag_refcount; /* powerpc */ - }; -#if ALLOC_SPLIT_PTLOCKS - spinlock_t *ptl; -#else - spinlock_t ptl; -#endif - }; struct { /* ZONE_DEVICE pages */ /** @pgmap: Points to the hosting device page map. */ struct dev_pagemap *pgmap; diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h index e9bb5f18cade..daeacfe3930d 100644 --- a/include/linux/pgtable.h +++ b/include/linux/pgtable.h @@ -1044,10 +1044,7 @@ struct ptdesc { TABLE_MATCH(flags, __page_flags); TABLE_MATCH(compound_head, pt_list); TABLE_MATCH(compound_head, _pt_pad_1); -TABLE_MATCH(pmd_huge_pte, pmd_huge_pte); TABLE_MATCH(mapping, _pt_s390_gaddr); -TABLE_MATCH(pt_mm, pt_mm); -TABLE_MATCH(ptl, ptl); TABLE_MATCH(rcu_head, pt_rcu_head); #ifdef CONFIG_MEMCG TABLE_MATCH(memcg_data, pt_memcg_data);