X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=arch%2Fs390%2FKconfig;h=8116a3328a19dd9b0cc79bbc3cd5b32a10e0234a;hb=b225d44e27521290faca2e0f9b1a4a8c74dc510a;hp=70b7645ce745aa03863360201183a832aec3f130;hpb=1d63e726408dfdb3e10ed8f00c383b30ebb333d3;p=linux-2.6-omap-h63xx.git diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 70b7645ce74..8116a3328a1 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -241,19 +241,17 @@ config PACK_STACK Say Y if you are unsure. config SMALL_STACK - bool "Use 4kb/8kb for kernel stack instead of 8kb/16kb" - depends on PACK_STACK && !LOCKDEP + bool "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. For 31 bit - the reduced size is 4kb instead of 8kb and for 64 bit it is 8kb - instead of 16kb. This allows to run more thread on a system and - reduces the pressure on the memory management for higher order - page allocations. + 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 bool "Detect kernel stack overflow" help @@ -384,7 +382,7 @@ config IPL choice prompt "IPL method generated into head.S" depends on IPL - default IPL_TAPE + default IPL_VM help Select "tape" if you want to IPL the image from a Tape.