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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 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 Content-Transfer-Encoding: 8bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arch@vger.kernel.org, linux-s390@vger.kernel.org, kvm@vger.kernel.org, linux-openrisc@vger.kernel.org, linux-hexagon@vger.kernel.org, linux-sh@vger.kernel.org, linux-um@lists.infradead.org, linux-mips@vger.kernel.org, linux-csky@vger.kernel.org, "Vishal Moola \(Oracle\)" , linux-mm@kvack.org, linux-m68k@lists.linux-m68k.org, Hugh Dickins , Mike Rapoport , loongarch@lists.linux.dev, sparclinux@vger.kernel.org, xen-devel@lists.xenproject.org, linux-riscv@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" 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 -- 2.40.1