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Peter Anvin" , "Liang, Kan" , Helge Deller , x86@kernel.org, "James E.J. Bottomley" , Steven Price , Ingo Molnar , Arnd Bergmann , =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , Borislav Petkov , Andy Lutomirski , Thomas Gleixner , linux-arm-kernel@lists.infradead.org, linux-parisc@vger.kernel.org, Ard Biesheuvel , linux-kernel@vger.kernel.org, James Morse 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 walk_page_range() is going to be allowed to walk page tables other than those of user space. For this it needs to know when it has reached a 'leaf' entry in the page tables. This information is provided by the p?d_large() functions/macros. For parisc, we don't support large pages, so add stubs returning 0. CC: "James E.J. Bottomley" CC: Helge Deller CC: linux-parisc@vger.kernel.org Signed-off-by: Steven Price --- arch/parisc/include/asm/pgtable.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/parisc/include/asm/pgtable.h b/arch/parisc/include/asm/pgtable.h index c7bb74e22436..1f38c85a9530 100644 --- a/arch/parisc/include/asm/pgtable.h +++ b/arch/parisc/include/asm/pgtable.h @@ -302,6 +302,7 @@ extern unsigned long *empty_zero_page; #endif #define pmd_bad(x) (!(pmd_flag(x) & PxD_FLAG_VALID)) #define pmd_present(x) (pmd_flag(x) & PxD_FLAG_PRESENT) +#define pmd_large(x) (0) static inline void pmd_clear(pmd_t *pmd) { #if CONFIG_PGTABLE_LEVELS == 3 if (pmd_flag(*pmd) & PxD_FLAG_ATTACHED) @@ -324,6 +325,7 @@ static inline void pmd_clear(pmd_t *pmd) { #define pgd_none(x) (!pgd_val(x)) #define pgd_bad(x) (!(pgd_flag(x) & PxD_FLAG_VALID)) #define pgd_present(x) (pgd_flag(x) & PxD_FLAG_PRESENT) +#define pgd_large(x) (0) static inline void pgd_clear(pgd_t *pgd) { #if CONFIG_PGTABLE_LEVELS == 3 if(pgd_flag(*pgd) & PxD_FLAG_ATTACHED) @@ -342,6 +344,7 @@ static inline void pgd_clear(pgd_t *pgd) { static inline int pgd_none(pgd_t pgd) { return 0; } static inline int pgd_bad(pgd_t pgd) { return 0; } static inline int pgd_present(pgd_t pgd) { return 1; } +static inline int pgd_large(pgd_t pgd) { return 0; } static inline void pgd_clear(pgd_t * pgdp) { } #endif -- 2.20.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel