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| author | Heiko Carstens | 2013-04-25 09:11:54 +0200 |
|---|---|---|
| committer | Martin Schwidefsky | 2013-04-26 09:07:08 +0200 |
| commit | 581618f226e83eb0fbe81ba2a623c6a55cbb7487 (patch) | |
| tree | 3c7ee80e7166f5e639d04489640d1b778647b541 /arch/s390/Kconfig | |
| parent | s390: system call path micro optimization (diff) | |
| download | kernel-qcow2-linux-581618f226e83eb0fbe81ba2a623c6a55cbb7487.tar.gz kernel-qcow2-linux-581618f226e83eb0fbe81ba2a623c6a55cbb7487.tar.xz kernel-qcow2-linux-581618f226e83eb0fbe81ba2a623c6a55cbb7487.zip | |
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 <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/Kconfig')
| -rw-r--r-- | arch/s390/Kconfig | 13 |
1 files changed, 0 insertions, 13 deletions
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" |