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Thu, 31 Oct 2019 19:20:33 -0700 (PDT) From: Zong Li To: linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, paul.walmsley@sifive.com, palmer@sifive.com, Anup.Patel@wdc.com Subject: [PATCH] riscv: Use PMD_SIZE to repalce PTE_PARENT_SIZE Date: Thu, 31 Oct 2019 19:20:30 -0700 Message-Id: <1572574830-11181-1-git-send-email-zong.li@sifive.com> X-Mailer: git-send-email 2.7.4 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191031_192035_039392_4E196EC5 X-CRM114-Status: GOOD ( 10.70 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Zong Li MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+infradead-linux-riscv=archiver.kernel.org@lists.infradead.org The PMD_SIZE is equal to PGDIR_SIZE when __PAGETABLE_PMD_FOLDED is defined. Signed-off-by: Zong Li --- arch/riscv/mm/init.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c index 573463d..9a9b01a 100644 --- a/arch/riscv/mm/init.c +++ b/arch/riscv/mm/init.c @@ -273,7 +273,6 @@ static void __init create_pmd_mapping(pmd_t *pmdp, #define get_pgd_next_virt(__pa) get_pmd_virt(__pa) #define create_pgd_next_mapping(__nextp, __va, __pa, __sz, __prot) \ create_pmd_mapping(__nextp, __va, __pa, __sz, __prot) -#define PTE_PARENT_SIZE PMD_SIZE #define fixmap_pgd_next fixmap_pmd #else #define pgd_next_t pte_t @@ -281,7 +280,6 @@ static void __init create_pmd_mapping(pmd_t *pmdp, #define get_pgd_next_virt(__pa) get_pte_virt(__pa) #define create_pgd_next_mapping(__nextp, __va, __pa, __sz, __prot) \ create_pte_mapping(__nextp, __va, __pa, __sz, __prot) -#define PTE_PARENT_SIZE PGDIR_SIZE #define fixmap_pgd_next fixmap_pte #endif @@ -317,9 +315,9 @@ static uintptr_t __init best_map_size(phys_addr_t base, phys_addr_t size) uintptr_t map_size = PAGE_SIZE; /* Upgrade to PMD/PGDIR mappings whenever possible */ - if (!(base & (PTE_PARENT_SIZE - 1)) && - !(size & (PTE_PARENT_SIZE - 1))) - map_size = PTE_PARENT_SIZE; + if (!(base & (PMD_SIZE - 1)) && + !(size & (PMD_SIZE - 1))) + map_size = PMD_SIZE; return map_size; } -- 2.7.4 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv