diff options
Diffstat (limited to 'arch/nios2/Kconfig')
| -rw-r--r-- | arch/nios2/Kconfig | 41 |
1 files changed, 18 insertions, 23 deletions
diff --git a/arch/nios2/Kconfig b/arch/nios2/Kconfig index 532343eebf89..9c0e6eaeb005 100644 --- a/arch/nios2/Kconfig +++ b/arch/nios2/Kconfig @@ -1,20 +1,24 @@ # SPDX-License-Identifier: GPL-2.0 config NIOS2 def_bool y + select ARCH_32BIT_OFF_T + select ARCH_HAS_CPU_CACHE_ALIASING + select ARCH_HAS_DMA_PREP_COHERENT select ARCH_HAS_SYNC_DMA_FOR_CPU select ARCH_HAS_SYNC_DMA_FOR_DEVICE + select ARCH_HAS_DMA_SET_UNCACHED select ARCH_NO_SWAP + select COMMON_CLK select TIMER_OF select GENERIC_ATOMIC64 - select GENERIC_CLOCKEVENTS select GENERIC_CPU_DEVICES select GENERIC_IRQ_PROBE select GENERIC_IRQ_SHOW - select GENERIC_STRNCPY_FROM_USER - select GENERIC_STRNLEN_USER select HAVE_ARCH_TRACEHOOK select HAVE_ARCH_KGDB + select HAVE_PAGE_SIZE_4KB select IRQ_DOMAIN + select LOCK_MM_AND_FIND_VMA select MODULES_USE_ELF_RELA select OF select OF_EARLY_FLATTREE @@ -22,7 +26,7 @@ config NIOS2 select SPARSE_IRQ select USB_ARCH_HAS_HCD if USB_SUPPORT select CPU_NO_EFFICIENT_FFS - select ARCH_DISCARD_MEMBLOCK + select MMU_GATHER_NO_RANGE if MMU config GENERIC_CSUM def_bool y @@ -39,30 +43,22 @@ config NO_IOPORT_MAP config FPU def_bool n -config RWSEM_GENERIC_SPINLOCK - def_bool y - -config TRACE_IRQFLAGS_SUPPORT - def_bool n - menu "Kernel features" source "kernel/Kconfig.hz" -config FORCE_MAX_ZONEORDER - int "Maximum zone order" - range 9 20 - default "11" +config ARCH_FORCE_MAX_ORDER + int "Order of maximal physically contiguous allocations" + default "10" help - The kernel memory allocator divides physically contiguous memory - blocks into "zones", where each zone is a power of two number of - pages. This option selects the largest power of two that the kernel - keeps in the memory allocator. If you need to allocate very large - blocks of physically contiguous memory, then you may need to - increase this value. + The kernel page allocator limits the size of maximal physically + contiguous allocations. The limit is called MAX_PAGE_ORDER and it + defines the maximal power of two of number of pages that can be + allocated as a single contiguous block. This option allows + overriding the default setting when ability to allocate very + large blocks of physically contiguous memory is required. - This config option is actually maximum order plus one. For example, - a value of 11 means that the largest free memory block is 2^10 pages. + Don't change if unsure. endmenu @@ -122,7 +118,6 @@ config NIOS2_CMDLINE_IGNORE_DTB config NIOS2_PASS_CMDLINE bool "Passed kernel command line from u-boot" - default n help Use bootargs env variable from u-boot for kernel command line. will override "Default kernel command string". |