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Diffstat (limited to 'arch/x86/Kconfig')
-rw-r--r--arch/x86/Kconfig17
1 files changed, 3 insertions, 14 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 867e7936dbc5..49270655e827 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -33,6 +33,7 @@ config X86_64
select NEED_DMA_MAP_STATE
select SWIOTLB
select ARCH_HAS_ELFCORE_COMPAT
+ select ZONE_DMA32
config FORCE_DYNAMIC_FTRACE
def_bool y
@@ -63,7 +64,7 @@ config X86
select ARCH_ENABLE_HUGEPAGE_MIGRATION if X86_64 && HUGETLB_PAGE && MIGRATION
select ARCH_ENABLE_MEMORY_HOTPLUG if X86_64 || (X86_32 && HIGHMEM)
select ARCH_ENABLE_MEMORY_HOTREMOVE if MEMORY_HOTPLUG
- select ARCH_ENABLE_SPLIT_PMD_PTLOCK if X86_64 || X86_PAE
+ select ARCH_ENABLE_SPLIT_PMD_PTLOCK if (PGTABLE_LEVELS > 2) && (X86_64 || X86_PAE)
select ARCH_ENABLE_THP_MIGRATION if X86_64 && TRANSPARENT_HUGEPAGE
select ARCH_HAS_ACPI_TABLE_UPGRADE if ACPI
select ARCH_HAS_CACHE_LINE_SIZE
@@ -93,6 +94,7 @@ config X86
select ARCH_HAS_SYSCALL_WRAPPER
select ARCH_HAS_UBSAN_SANITIZE_ALL
select ARCH_HAS_DEBUG_WX
+ select ARCH_HAS_ZONE_DMA_SET if EXPERT
select ARCH_HAVE_NMI_SAFE_CMPXCHG
select ARCH_MIGHT_HAVE_ACPI_PDC if ACPI
select ARCH_MIGHT_HAVE_PC_PARPORT
@@ -344,9 +346,6 @@ config ARCH_SUSPEND_POSSIBLE
config ARCH_WANT_GENERAL_HUGETLB
def_bool y
-config ZONE_DMA32
- def_bool y if X86_64
-
config AUDIT_ARCH
def_bool y if X86_64
@@ -394,16 +393,6 @@ config CC_HAS_SANE_STACKPROTECTOR
menu "Processor type and features"
-config ZONE_DMA
- bool "DMA memory allocation support" if EXPERT
- default y
- help
- DMA memory allocation support allows devices with less than 32-bit
- addressing to allocate within the first 16MB of address space.
- Disable if no such devices will be used.
-
- If unsure, say Y.
-
config SMP
bool "Symmetric multi-processing support"
help