diff options
Diffstat (limited to 'arch/Kconfig')
| -rw-r--r-- | arch/Kconfig | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/Kconfig b/arch/Kconfig index 2505740b81d..4f55c736be1 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -185,4 +185,18 @@ config HAVE_RCU_TABLE_FREE config ARCH_HAVE_NMI_SAFE_CMPXCHG bool +config HAVE_ALIGNED_STRUCT_PAGE + bool + help + This makes sure that struct pages are double word aligned and that + e.g. the SLUB allocator can perform double word atomic operations + on a struct page for better performance. However selecting this + might increase the size of a struct page by a word. + +config HAVE_CMPXCHG_LOCAL + bool + +config HAVE_CMPXCHG_DOUBLE + bool + source "kernel/gcov/Kconfig" |