diff options
Diffstat (limited to 'arch/sparc')
| -rw-r--r-- | arch/sparc/Kconfig | 3 | ||||
| -rw-r--r-- | arch/sparc/Kconfig.debug | 3 |
2 files changed, 5 insertions, 1 deletions
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index c3ea215334f6..cc12cd48bbc5 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -124,6 +124,9 @@ config ARCH_NO_VIRT_TO_BUS config OF def_bool y +config ARCH_SUPPORTS_DEBUG_PAGEALLOC + def_bool y if SPARC64 + source "init/Kconfig" source "kernel/Kconfig.freezer" diff --git a/arch/sparc/Kconfig.debug b/arch/sparc/Kconfig.debug index b8a15e271bfa..d001b42041a5 100644 --- a/arch/sparc/Kconfig.debug +++ b/arch/sparc/Kconfig.debug @@ -24,7 +24,8 @@ config STACK_DEBUG config DEBUG_PAGEALLOC bool "Debug page memory allocations" - depends on SPARC64 && DEBUG_KERNEL && !HIBERNATION + depends on DEBUG_KERNEL && !HIBERNATION + depends on ARCH_SUPPORTS_DEBUG_PAGEALLOC help Unmap pages from the kernel linear mapping after free_pages(). This results in a large slowdown, but helps to find certain types |