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From: Mike Rapoport <rppt@kernel.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Arnd Bergmann <arnd@arndb.de>, Dinh Nguyen <dinguyen@kernel.org>,
Guo Ren <guoren@kernel.org>, Helge Deller <deller@gmx.de>,
Huacai Chen <chenhuacai@kernel.org>,
"James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>,
Matthew Wilcox <willy@infradead.org>,
Max Filippov <jcmvbkbc@gmail.com>,
Mike Rapoport <rppt@kernel.org>,
Mike Rapoport <rppt@linux.ibm.com>,
"Russell King (Oracle)" <linux@armlinux.org.uk>,
Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
WANG Xuerui <kernel@xen0n.name>, linux-arch@vger.kernel.org,
linux-csky@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-mips@vger.kernel.org, linux-mm@kvack.org,
linux-parisc@vger.kernel.org, linux-xtensa@linux-xtensa.org,
loongarch@lists.linux.dev
Subject: [PATCH v2 00/15] arch: make PxD_ORDER generically available
Date: Tue, 5 Jul 2022 18:46:53 +0300
Message-Id: <20220705154708.181258-1-rppt@kernel.org>
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arch: make PxD_ORDER generically available
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From: Mike Rapoport <rppt@linux.ibm.com> v2 changes: * Drop extra blank line in arch/loongarch/kernel/asm-offsets.c (patch 12) * Add patch 15 that renames PMD_ORDER to PMD_ENTRY_ORDER in arch/arm/kernel/head.S v1: https://lore.kernel.org/all/20220703141203.147893-1-rppt@kernel.org v1 cover letter: The question what does PxD_ORDER define raises from time to time and there is still a conflict between MIPS and DAX definitions. Some time ago Matthew Wilcox suggested to use PMD_TABLE_ORDER to define the order of page table allocation: [1] https://lore.kernel.org/linux-arch/YPCJftSTUBEnq2lI@casper.infradead.org/ The parisc patch made it in, but mips didn't. Now mips defines from asm/include/pgtable.h were copied to loongarch which made it worse. Let's deal with it once and for all and rename PxD_ORDER defines to PxD_TABLE_ORDER or just drop them when the only possible order of page table is 0. I think the best way to merge this via mm tree with acks from arch maintainers. Matthew Wilcox (Oracle) (1): mips: Rename PMD_ORDER to PMD_TABLE_ORDER Mike Rapoport (14): csky: drop definition of PTE_ORDER csky: drop definition of PGD_ORDER mips: Rename PUD_ORDER to PUD_TABLE_ORDER mips: drop definitions of PTE_ORDER mips: Rename PGD_ORDER to PGD_TABLE_ORDER nios2: drop definition of PTE_ORDER nios2: drop definition of PGD_ORDER loongarch: drop definition of PTE_ORDER loongarch: drop definition of PMD_ORDER loongarch: drop definition of PUD_ORDER loongarch: drop definition of PGD_ORDER parisc: Rename PGD_ORDER to PGD_TABLE_ORDER xtensa: drop definition of PGD_ORDER ARM: head.S: rename PMD_ORDER to PMD_ENTRY_ORDER arch/arm/kernel/head.S | 34 ++++++++-------- arch/csky/include/asm/pgalloc.h | 2 +- arch/csky/include/asm/pgtable.h | 6 +-- arch/loongarch/include/asm/pgalloc.h | 6 +-- arch/loongarch/include/asm/pgtable.h | 27 +++++------- arch/loongarch/kernel/asm-offsets.c | 6 --- arch/loongarch/mm/pgtable.c | 2 +- arch/loongarch/mm/tlbex.S | 6 +-- arch/mips/include/asm/pgalloc.h | 8 ++-- arch/mips/include/asm/pgtable-32.h | 19 ++++----- arch/mips/include/asm/pgtable-64.h | 61 +++++++++++++--------------- arch/mips/kernel/asm-offsets.c | 5 --- arch/mips/kvm/mmu.c | 2 +- arch/mips/mm/pgtable.c | 2 +- arch/mips/mm/tlbex.c | 14 +++---- arch/nios2/include/asm/pgtable.h | 7 +--- arch/nios2/mm/init.c | 5 +-- arch/nios2/mm/pgtable.c | 2 +- arch/parisc/include/asm/pgalloc.h | 6 +-- arch/parisc/include/asm/pgtable.h | 8 ++-- arch/xtensa/include/asm/pgalloc.h | 2 +- arch/xtensa/include/asm/pgtable.h | 1 - 22 files changed, 101 insertions(+), 130 deletions(-) base-commit: 03c765b0e3b4cb5063276b086c76f7a612856a9a