[linuxsh-cvs] CVS: linux/arch/sh Kconfig.debug,1.6,1.7

[Paul M. <le...@us...>]

Update of /cvsroot/linuxsh/linux/arch/sh
In directory sc8-pr-cvs6.sourceforge.net:/tmp/cvs-serv6106/arch/sh

Modified Files:
	Kconfig.debug 
Log Message:
Add support for 4K stacks.



Index: Kconfig.debug
===================================================================
RCS file: /cvsroot/linuxsh/linux/arch/sh/Kconfig.debug,v
retrieving revision 1.6
retrieving revision 1.7
diff -u -d -r1.6 -r1.7
--- Kconfig.debug	8 Aug 2006 03:09:20 -0000	1.6
+++ Kconfig.debug	9 Aug 2006 02:33:40 -0000	1.7
@@ -46,6 +46,16 @@
 
 	  This option will slow down process creation somewhat.
 
+config 4KSTACKS
+	bool "Use 4Kb for kernel stacks instead of 8Kb"
+	depends on DEBUG_KERNEL
+	help
+	  If you say Y here the kernel will use a 4Kb stacksize for the
+	  kernel stack attached to each process/thread. This facilitates
+	  running more threads on a system and also reduces the pressure
+	  on the VM subsystem for higher order allocations. This option
+	  will also use IRQ stacks to compensate for the reduced stackspace.
+
 config KGDB
 	bool "Include KGDB kernel debugger"
 	select FRAME_POINTER