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Thu, 22 Jun 2023 13:58:12 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::36]) by smtp.googlemail.com with ESMTPSA id d18-20020a5b0c52000000b00bc501a1b062sm1684937ybr.42.2023.06.22.13.58.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 22 Jun 2023 13:58:12 -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 v5 08/33] mm: Convert pmd_ptlock_init() to use ptdescs Date: Thu, 22 Jun 2023 13:57:20 -0700 Message-Id: <20230622205745.79707-9-vishal.moola@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230622205745.79707-1-vishal.moola@gmail.com> References: <20230622205745.79707-1-vishal.moola@gmail.com> MIME-Version: 1.0 X-Rspamd-Queue-Id: A22E52000E X-Rspam-User: X-Rspamd-Server: rspam05 X-Stat-Signature: k8nwr5goyos8eqg544j8jbtwr3m4bant X-HE-Tag: 1687467493-737673 X-HE-Meta: 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 3F1XWCqR 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 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: This removes some direct accesses to struct page, working towards splitting out struct ptdesc from struct page. Signed-off-by: Vishal Moola (Oracle) Acked-by: Mike Rapoport (IBM) --- include/linux/mm.h | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/include/linux/mm.h b/include/linux/mm.h index 0b230d5d229a..1c4c6a7b69b3 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -2926,12 +2926,12 @@ static inline spinlock_t *pmd_lockptr(struct mm_struct *mm, pmd_t *pmd) return ptlock_ptr(pmd_ptdesc(pmd)); } -static inline bool pmd_ptlock_init(struct page *page) +static inline bool pmd_ptlock_init(struct ptdesc *ptdesc) { #ifdef CONFIG_TRANSPARENT_HUGEPAGE - page->pmd_huge_pte = NULL; + ptdesc->pmd_huge_pte = NULL; #endif - return ptlock_init(page); + return ptlock_init(ptdesc_page(ptdesc)); } static inline void pmd_ptlock_free(struct page *page) @@ -2951,7 +2951,7 @@ static inline spinlock_t *pmd_lockptr(struct mm_struct *mm, pmd_t *pmd) return &mm->page_table_lock; } -static inline bool pmd_ptlock_init(struct page *page) { return true; } +static inline bool pmd_ptlock_init(struct ptdesc *ptdesc) { return true; } static inline void pmd_ptlock_free(struct page *page) {} #define pmd_huge_pte(mm, pmd) ((mm)->pmd_huge_pte) @@ -2967,7 +2967,7 @@ static inline spinlock_t *pmd_lock(struct mm_struct *mm, pmd_t *pmd) static inline bool pgtable_pmd_page_ctor(struct page *page) { - if (!pmd_ptlock_init(page)) + if (!pmd_ptlock_init(page_ptdesc(page))) return false; __SetPageTable(page); inc_lruvec_page_state(page, NR_PAGETABLE);