diff options
Diffstat (limited to '')
| -rw-r--r-- | arch/powerpc/Kconfig | 10 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/thread_info.h | 10 |
2 files changed, 11 insertions, 9 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 97a8bc8a095c..45724923a69c 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -678,6 +678,16 @@ config PPC_256K_PAGES endchoice +config THREAD_SHIFT + int "Thread shift" if EXPERT + range 13 15 + default "15" if PPC_256K_PAGES + default "14" if PPC64 + default "13" + help + Used to define the stack size. The default is almost always what you + want. Only change this if you know what you are doing. + config FORCE_MAX_ZONEORDER int "Maximum zone order" range 8 9 if PPC64 && PPC_64K_PAGES diff --git a/arch/powerpc/include/asm/thread_info.h b/arch/powerpc/include/asm/thread_info.h index 87e4b2d8dcd4..2e17d668c472 100644 --- a/arch/powerpc/include/asm/thread_info.h +++ b/arch/powerpc/include/asm/thread_info.h @@ -10,15 +10,7 @@ #ifdef __KERNEL__ -/* We have 8k stacks on ppc32 and 16k on ppc64 */ - -#if defined(CONFIG_PPC64) -#define THREAD_SHIFT 14 -#elif defined(CONFIG_PPC_256K_PAGES) -#define THREAD_SHIFT 15 -#else -#define THREAD_SHIFT 13 -#endif +#define THREAD_SHIFT CONFIG_THREAD_SHIFT #define THREAD_SIZE (1 << THREAD_SHIFT) |