We would want to use number of page table level to define mm_struct.
Let's expose it as CONFIG_PGTABLE_LEVELS.
Signed-off-by: Kirill A. Shutemov <kirill.shute...@linux.intel.com>
Cc: Ralf Baechle <r...@linux-mips.org>
---
arch/mips/Kconfig | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 843713c05b79..2eea81795139 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -2535,6 +2535,11 @@ config STACKTRACE_SUPPORT
bool
default y
+config PGTABLE_LEVELS
+ int
+ default 3 if 64BIT && !PAGE_SIZE_64KB
+ default 2
+
source "init/Kconfig"
source "kernel/Kconfig.freezer"
--
2.1.4
--
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