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-rw-r--r--arch/arc/Kconfig11
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
index 4f1482a..30ad634 100644
--- a/arch/arc/Kconfig
+++ b/arch/arc/Kconfig
@@ -492,6 +492,17 @@ config ARCH_DMA_ADDR_T_64BIT
config ARC_PLAT_NEEDS_PHYS_TO_DMA
bool
+config ARC_KVADDR_SIZE
+ int "Kernel Virtaul Address Space size (MB)"
+ range 0 512
+ default "256"
+ help
+ The kernel address space is carved out of 256MB of translated address
+ space for catering to vmalloc, modules, pkmap, fixmap. This however may
+ not suffice vmalloc requirements of a 4K CPU EZChip system. So allow
+ this to be stretched to 512 MB (by extending into the reserved
+ kernel-user gutter)
+
config ARC_CURR_IN_REG
bool "Dedicate Register r25 for current_task pointer"
default y