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Peter Anvin" , Stafford Horne , "Liang, Kan" , Jonas Bonn , x86@kernel.org, Steven Price , Ingo Molnar , Arnd Bergmann , Stefan Kristiansson , =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , openrisc@lists.librecores.org, Borislav Petkov , Andy Lutomirski , Thomas Gleixner , linux-arm-kernel@lists.infradead.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 openrisc, we don't support large pages, so add a stub returning 0. CC: Jonas Bonn CC: Stefan Kristiansson CC: Stafford Horne CC: openrisc@lists.librecores.org Signed-off-by: Steven Price --- arch/openrisc/include/asm/pgtable.h | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/openrisc/include/asm/pgtable.h b/arch/openrisc/include/asm/pgtable.h index 21c71303012f..5a375104ef71 100644 --- a/arch/openrisc/include/asm/pgtable.h +++ b/arch/openrisc/include/asm/pgtable.h @@ -228,6 +228,7 @@ extern unsigned long empty_zero_page[2048]; #define pmd_none(x) (!pmd_val(x)) #define pmd_bad(x) ((pmd_val(x) & (~PAGE_MASK)) != _KERNPG_TABLE) #define pmd_present(x) (pmd_val(x) & _PAGE_PRESENT) +#define pmd_large(x) (0) #define pmd_clear(xp) do { pmd_val(*(xp)) = 0; } while (0) /* -- 2.20.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel