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Sun, 23 Jun 2019 02:45:42 -0700 (PDT) From: Nicholas Piggin To: linux-mm@kvack.org Subject: [PATCH 2/3] powerpc/64s: Add p?d_large definitions Date: Sun, 23 Jun 2019 19:44:45 +1000 Message-Id: <20190623094446.28722-3-npiggin@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190623094446.28722-1-npiggin@gmail.com> References: <20190623094446.28722-1-npiggin@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190623_024544_328784_14694A24 X-CRM114-Status: GOOD ( 10.06 ) 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: Christophe Leroy , Mark Rutland , Anshuman Khandual , Ard Biesheuvel , Nicholas Piggin , Andrew Morton , linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org 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 The subsequent patch to fix vmalloc_to_page with huge vmap requires HUGE_VMAP archs to provide p?d_large definitions for the non-pgd page table levels they support. Cc: linuxppc-dev@lists.ozlabs.org Signed-off-by: Nicholas Piggin --- Upstream powerpc code does not enable HUGE_VMAP, but the powerpc next tree has patches, so this patch is required to fix dependency between this series and powerpc tree in linux-next. arch/powerpc/include/asm/book3s/64/pgtable.h | 24 ++++++++++++-------- 1 file changed, 15 insertions(+), 9 deletions(-) diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h b/arch/powerpc/include/asm/book3s/64/pgtable.h index ccf00a8b98c6..c19c8396a1bd 100644 --- a/arch/powerpc/include/asm/book3s/64/pgtable.h +++ b/arch/powerpc/include/asm/book3s/64/pgtable.h @@ -915,6 +915,11 @@ static inline int pud_present(pud_t pud) return !!(pud_raw(pud) & cpu_to_be64(_PAGE_PRESENT)); } +static inline int pud_large(pud_t pud) +{ + return !!(pud_raw(pud) & cpu_to_be64(_PAGE_PTE)); +} + extern struct page *pud_page(pud_t pud); extern struct page *pmd_page(pmd_t pmd); static inline pte_t pud_pte(pud_t pud) @@ -958,6 +963,11 @@ static inline int pgd_present(pgd_t pgd) return !!(pgd_raw(pgd) & cpu_to_be64(_PAGE_PRESENT)); } +static inline int pgd_large(pgd_t pgd) +{ + return !!(pgd_raw(pgd) & cpu_to_be64(_PAGE_PTE)); +} + static inline pte_t pgd_pte(pgd_t pgd) { return __pte_raw(pgd_raw(pgd)); @@ -1083,6 +1093,11 @@ static inline pte_t *pmdp_ptep(pmd_t *pmd) #define pmd_mk_savedwrite(pmd) pte_pmd(pte_mk_savedwrite(pmd_pte(pmd))) #define pmd_clear_savedwrite(pmd) pte_pmd(pte_clear_savedwrite(pmd_pte(pmd))) +static inline int pmd_large(pmd_t pmd) +{ + return !!(pmd_raw(pmd) & cpu_to_be64(_PAGE_PTE)); +} + #ifdef CONFIG_HAVE_ARCH_SOFT_DIRTY #define pmd_soft_dirty(pmd) pte_soft_dirty(pmd_pte(pmd)) #define pmd_mksoft_dirty(pmd) pte_pmd(pte_mksoft_dirty(pmd_pte(pmd))) @@ -1151,15 +1166,6 @@ pmd_hugepage_update(struct mm_struct *mm, unsigned long addr, pmd_t *pmdp, return hash__pmd_hugepage_update(mm, addr, pmdp, clr, set); } -/* - * returns true for pmd migration entries, THP, devmap, hugetlb - * But compile time dependent on THP config - */ -static inline int pmd_large(pmd_t pmd) -{ - return !!(pmd_raw(pmd) & cpu_to_be64(_PAGE_PTE)); -} - static inline pmd_t pmd_mknotpresent(pmd_t pmd) { return __pmd(pmd_val(pmd) & ~_PAGE_PRESENT); -- 2.20.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel