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[60.241.56.246]) by smtp.gmail.com with ESMTPSA id l1sm9166802pgj.67.2019.06.09.21.41.02 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Sun, 09 Jun 2019 21:41:04 -0700 (PDT) From: Nicholas Piggin To: linux-mm@kvack.org Subject: [PATCH 2/4] arm64: support huge vmap vmalloc Date: Mon, 10 Jun 2019 14:38:36 +1000 Message-Id: <20190610043838.27916-2-npiggin@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190610043838.27916-1-npiggin@gmail.com> References: <20190610043838.27916-1-npiggin@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190609_214105_073232_AE9B7F2A X-CRM114-Status: UNSURE ( 8.64 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org, Nicholas Piggin Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Applying huge vmap to vmalloc requires vmalloc_to_page to walk huge pages. Define pud_large and pmd_large to support this. Signed-off-by: Nicholas Piggin --- arch/arm64/include/asm/pgtable.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h index 2c41b04708fe..30fe7b344bf7 100644 --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h @@ -428,6 +428,7 @@ extern pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn, PMD_TYPE_TABLE) #define pmd_sect(pmd) ((pmd_val(pmd) & PMD_TYPE_MASK) == \ PMD_TYPE_SECT) +#define pmd_large(pmd) pmd_sect(pmd) #if defined(CONFIG_ARM64_64K_PAGES) || CONFIG_PGTABLE_LEVELS < 3 #define pud_sect(pud) (0) @@ -438,6 +439,7 @@ extern pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn, #define pud_table(pud) ((pud_val(pud) & PUD_TYPE_MASK) == \ PUD_TYPE_TABLE) #endif +#define pud_large(pud) pud_sect(pud) extern pgd_t init_pg_dir[PTRS_PER_PGD]; extern pgd_t init_pg_end[]; -- 2.20.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel