From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 69636C00528 for ; Tue, 1 Aug 2023 18:58:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231151AbjHAS64 (ORCPT ); Tue, 1 Aug 2023 14:58:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36932 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229606AbjHAS52 (ORCPT ); Tue, 1 Aug 2023 14:57:28 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 467883585 for ; Tue, 1 Aug 2023 11:57:05 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id D22B1616A1 for ; Tue, 1 Aug 2023 18:57:04 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 31492C433C8; Tue, 1 Aug 2023 18:57:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1690916224; bh=lNoz8fq+sfyf8n5sKJbCtgHWbwA5q3iWDnr7bKEq1CE=; h=Date:To:From:Subject:From; b=oKRRZABIvd99nEECPxMiBv5vlWmptEaYREtOd2DRWN9lVKVk66CoVVO7lbLcEzuM+ pjaZTp9qTRbexhUyHVMWYn9ggnt4NMdPvCcLdBw01c6cERoOORbud9xo/7TP3FfYFC AW2jDnRsFgyyJMJS3YP2pQYHUebPEbEq/4XFxBz0= Date: Tue, 01 Aug 2023 11:57:03 -0700 To: mm-commits@vger.kernel.org, ysato@users.sourceforge.jp, willy@infradead.org, tsbogend@alpha.franken.de, rppt@kernel.org, richard@nod.at, paul.walmsley@sifive.com, palmer@rivosinc.com, jonas@southpole.se, imbrenda@linux.ibm.com, hughd@google.com, guoren@kernel.org, glaubitz@physik.fu-berlin.de, geert+renesas@glider.be, geert@linux-m68k.org, dinguyen@kernel.org, david@redhat.com, davem@davemloft.net, dave.hansen@linux.intel.com, christophe.leroy@csgroup.eu, chenhuacai@kernel.org, catalin.marinas@arm.com, arnd@arndb.de, vishal.moola@gmail.com, akpm@linux-foundation.org From: Andrew Morton Subject: + loongarch-convert-various-functions-to-use-ptdescs.patch added to mm-unstable branch Message-Id: <20230801185704.31492C433C8@smtp.kernel.org> Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org The patch titled Subject: loongarch: convert various functions to use ptdescs has been added to the -mm mm-unstable branch. Its filename is loongarch-convert-various-functions-to-use-ptdescs.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/loongarch-convert-various-functions-to-use-ptdescs.patch This patch will later appear in the mm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: "Vishal Moola (Oracle)" Subject: loongarch: convert various functions to use ptdescs Date: Mon, 31 Jul 2023 10:03:22 -0700 As part of the conversions to replace pgtable constructor/destructors with ptdesc equivalents, convert various page table functions to use ptdescs. Some of the functions use the *get*page*() helper functions. Convert these to use pagetable_alloc() and ptdesc_address() instead to help standardize page tables further. Link: https://lkml.kernel.org/r/20230731170332.69404-22-vishal.moola@gmail.com Signed-off-by: Vishal Moola (Oracle) Acked-by: Mike Rapoport (IBM) Cc: Arnd Bergmann Cc: Catalin Marinas Cc: Christophe Leroy Cc: Claudio Imbrenda Cc: Dave Hansen Cc: David Hildenbrand Cc: David S. Miller Cc: Dinh Nguyen Cc: Geert Uytterhoeven Cc: Geert Uytterhoeven Cc: Guo Ren Cc: Huacai Chen Cc: Hugh Dickins Cc: John Paul Adrian Glaubitz Cc: Jonas Bonn Cc: Matthew Wilcox Cc: Palmer Dabbelt Cc: Paul Walmsley Cc: Richard Weinberger Cc: Thomas Bogendoerfer Cc: Yoshinori Sato Signed-off-by: Andrew Morton --- arch/loongarch/include/asm/pgalloc.h | 27 +++++++++++++------------ arch/loongarch/mm/pgtable.c | 7 +++--- 2 files changed, 19 insertions(+), 15 deletions(-) --- a/arch/loongarch/include/asm/pgalloc.h~loongarch-convert-various-functions-to-use-ptdescs +++ a/arch/loongarch/include/asm/pgalloc.h @@ -45,9 +45,9 @@ extern void pagetable_init(void); extern pgd_t *pgd_alloc(struct mm_struct *mm); #define __pte_free_tlb(tlb, pte, address) \ -do { \ - pgtable_pte_page_dtor(pte); \ - tlb_remove_page((tlb), pte); \ +do { \ + pagetable_pte_dtor(page_ptdesc(pte)); \ + tlb_remove_page_ptdesc((tlb), page_ptdesc(pte)); \ } while (0) #ifndef __PAGETABLE_PMD_FOLDED @@ -55,18 +55,18 @@ do { \ static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address) { pmd_t *pmd; - struct page *pg; + struct ptdesc *ptdesc; - pg = alloc_page(GFP_KERNEL_ACCOUNT); - if (!pg) + ptdesc = pagetable_alloc(GFP_KERNEL_ACCOUNT, 0); + if (!ptdesc) return NULL; - if (!pgtable_pmd_page_ctor(pg)) { - __free_page(pg); + if (!pagetable_pmd_ctor(ptdesc)) { + pagetable_free(ptdesc); return NULL; } - pmd = (pmd_t *)page_address(pg); + pmd = ptdesc_address(ptdesc); pmd_init(pmd); return pmd; } @@ -80,10 +80,13 @@ static inline pmd_t *pmd_alloc_one(struc static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long address) { pud_t *pud; + struct ptdesc *ptdesc = pagetable_alloc(GFP_KERNEL & ~__GFP_HIGHMEM, 0); - pud = (pud_t *) __get_free_page(GFP_KERNEL); - if (pud) - pud_init(pud); + if (!ptdesc) + return NULL; + pud = ptdesc_address(ptdesc); + + pud_init(pud); return pud; } --- a/arch/loongarch/mm/pgtable.c~loongarch-convert-various-functions-to-use-ptdescs +++ a/arch/loongarch/mm/pgtable.c @@ -11,10 +11,11 @@ pgd_t *pgd_alloc(struct mm_struct *mm) { - pgd_t *ret, *init; + pgd_t *init, *ret = NULL; + struct ptdesc *ptdesc = pagetable_alloc(GFP_KERNEL & ~__GFP_HIGHMEM, 0); - ret = (pgd_t *) __get_free_page(GFP_KERNEL); - if (ret) { + if (ptdesc) { + ret = (pgd_t *)ptdesc_address(ptdesc); init = pgd_offset(&init_mm, 0UL); pgd_init(ret); memcpy(ret + USER_PTRS_PER_PGD, init + USER_PTRS_PER_PGD, _ Patches currently in -mm which might be from vishal.moola@gmail.com are mm-add-page_type_op-folio-functions.patch pgtable-create-struct-ptdesc.patch mm-add-utility-functions-for-ptdesc.patch mm-convert-pmd_pgtable_page-callers-to-use-pmd_ptdesc.patch mm-convert-ptlock_alloc-to-use-ptdescs.patch mm-convert-ptlock_ptr-to-use-ptdescs.patch mm-convert-pmd_ptlock_init-to-use-ptdescs.patch mm-convert-ptlock_init-to-use-ptdescs.patch mm-convert-pmd_ptlock_free-to-use-ptdescs.patch mm-convert-ptlock_free-to-use-ptdescs.patch mm-create-ptdesc-equivalents-for-pgtable_ptepmd_page_ctordtor.patch powerpc-convert-various-functions-to-use-ptdescs.patch x86-convert-various-functions-to-use-ptdescs.patch s390-convert-various-pgalloc-functions-to-use-ptdescs.patch mm-remove-page-table-members-from-struct-page.patch pgalloc-convert-various-functions-to-use-ptdescs.patch arm-convert-various-functions-to-use-ptdescs.patch arm64-convert-various-functions-to-use-ptdescs.patch csky-convert-__pte_free_tlb-to-use-ptdescs.patch hexagon-convert-__pte_free_tlb-to-use-ptdescs.patch loongarch-convert-various-functions-to-use-ptdescs.patch m68k-convert-various-functions-to-use-ptdescs.patch mips-convert-various-functions-to-use-ptdescs.patch nios2-convert-__pte_free_tlb-to-use-ptdescs.patch openrisc-convert-__pte_free_tlb-to-use-ptdescs.patch riscv-convert-alloc_pmd-pte_late-to-use-ptdescs.patch sh-convert-pte_free_tlb-to-use-ptdescs.patch sparc64-convert-various-functions-to-use-ptdescs.patch sparc-convert-pgtable_pte_page_ctor-dtor-to-ptdesc-equivalents.patch um-convert-pmd-pte_free_tlb-to-use-ptdescs.patch mm-remove-pgtable_pmd-pte_page_ctor-dtor-wrappers.patch