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Diffstat (limited to 'arch/arc/Kconfig')
-rw-r--r-- | arch/arc/Kconfig | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig index 4f1482aa8823..30ad63413660 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 |