diff options
Diffstat (limited to 'arch/s390')
-rw-r--r-- | arch/s390/Kconfig | 3 | ||||
-rw-r--r-- | arch/s390/Kconfig.debug | 1 |
2 files changed, 4 insertions, 0 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 2a8af5e16345..dcb667c4375a 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig | |||
@@ -72,6 +72,9 @@ config PGSTE | |||
72 | config VIRT_CPU_ACCOUNTING | 72 | config VIRT_CPU_ACCOUNTING |
73 | def_bool y | 73 | def_bool y |
74 | 74 | ||
75 | config ARCH_SUPPORTS_DEBUG_PAGEALLOC | ||
76 | def_bool y | ||
77 | |||
75 | mainmenu "Linux Kernel Configuration" | 78 | mainmenu "Linux Kernel Configuration" |
76 | 79 | ||
77 | config S390 | 80 | config S390 |
diff --git a/arch/s390/Kconfig.debug b/arch/s390/Kconfig.debug index 4599fa06bd82..7e297a3cde34 100644 --- a/arch/s390/Kconfig.debug +++ b/arch/s390/Kconfig.debug | |||
@@ -9,6 +9,7 @@ source "lib/Kconfig.debug" | |||
9 | config DEBUG_PAGEALLOC | 9 | config DEBUG_PAGEALLOC |
10 | bool "Debug page memory allocations" | 10 | bool "Debug page memory allocations" |
11 | depends on DEBUG_KERNEL | 11 | depends on DEBUG_KERNEL |
12 | depends on ARCH_SUPPORTS_DEBUG_PAGEALLOC | ||
12 | help | 13 | help |
13 | Unmap pages from the kernel linear mapping after free_pages(). | 14 | Unmap pages from the kernel linear mapping after free_pages(). |
14 | This results in a slowdown, but helps to find certain types of | 15 | This results in a slowdown, but helps to find certain types of |