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Mon, 26 Jun 2023 20:15:18 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::16]) by smtp.googlemail.com with ESMTPSA id s4-20020a0dd004000000b0057399b3bd26sm1614798ywd.33.2023.06.26.20.15.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 26 Jun 2023 20:15:17 -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 05/33] mm: Convert pmd_pgtable_page() to pmd_ptdesc() Date: Mon, 26 Jun 2023 20:14:03 -0700 Message-Id: <20230627031431.29653-6-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-Rspamd-Queue-Id: 730CC4000B X-Rspam-User: X-Stat-Signature: 9j6b9b7yxhxq5geqy9tsc3zo5hrypk5a X-Rspamd-Server: rspam01 X-HE-Tag: 1687835719-807233 X-HE-Meta: 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 rpL9F2d9 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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: Converts pmd_pgtable_page() to pmd_ptdesc() and all its callers. 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 | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/include/linux/mm.h b/include/linux/mm.h index 14d95d494958..1511faf0263c 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -2915,15 +2915,15 @@ pte_t *pte_offset_map_nolock(struct mm_struct *mm, pmd_t *pmd, #if USE_SPLIT_PMD_PTLOCKS -static inline struct page *pmd_pgtable_page(pmd_t *pmd) +static inline struct ptdesc *pmd_ptdesc(pmd_t *pmd) { unsigned long mask = ~(PTRS_PER_PMD * sizeof(pmd_t) - 1); - return virt_to_page((void *)((unsigned long) pmd & mask)); + return virt_to_ptdesc((void *)((unsigned long) pmd & mask)); } static inline spinlock_t *pmd_lockptr(struct mm_struct *mm, pmd_t *pmd) { - return ptlock_ptr(pmd_pgtable_page(pmd)); + return ptlock_ptr(ptdesc_page(pmd_ptdesc(pmd))); } static inline bool pmd_ptlock_init(struct page *page) @@ -2942,7 +2942,7 @@ static inline void pmd_ptlock_free(struct page *page) ptlock_free(page); } -#define pmd_huge_pte(mm, pmd) (pmd_pgtable_page(pmd)->pmd_huge_pte) +#define pmd_huge_pte(mm, pmd) (pmd_ptdesc(pmd)->pmd_huge_pte) #else