From 581618f226e83eb0fbe81ba2a623c6a55cbb7487 Mon Sep 17 00:00:00 2001 From: Heiko Carstens Date: Thu, 25 Apr 2013 09:11:54 +0200 Subject: s390: remove small stack config option We've seen repeatedly that 8KB stack size on 64 bit kernels is not sufficient. So simply remove the config option. Signed-off-by: Heiko Carstens Signed-off-by: Martin Schwidefsky --- arch/s390/Kconfig | 13 ------------- 1 file changed, 13 deletions(-) (limited to 'arch/s390/Kconfig') diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index eb8fb629f00b..bda6ba6f3cf5 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -375,19 +375,6 @@ config PACK_STACK Say Y if you are unsure. -config SMALL_STACK - def_bool n - prompt "Use 8kb for kernel stack instead of 16kb" - depends on PACK_STACK && 64BIT && !LOCKDEP - help - If you say Y here and the compiler supports the -mkernel-backchain - option the kernel will use a smaller kernel stack size. The reduced - size is 8kb instead of 16kb. This allows to run more threads on a - system and reduces the pressure on the memory management for higher - order page allocations. - - Say N if you are unsure. - config CHECK_STACK def_bool y prompt "Detect kernel stack overflow" -- cgit 1.4.1