This patch enables 4k stacks by default.
4k stacks have become a well-tested feature used fore a long time in
Fedora and even in RHEL 4.
There are no known problems in in-kernel code with 4k stacks still
present after Neil's patch that went into -mm nearly two months ago.
Defaulting to 4k stacks in -mm kernel will give some more testing
coverage and should show whether there are really no problems left.
Keeping the option for now should make the people happy who want to use
the experimental -mm kernel but don't trust the well-tested 4k stacks.
Signed-off-by: Adrian Bunk <[email protected]>
--- linux-2.6.15-rc5-mm3-full/arch/i386/Kconfig.debug.old 2006-01-04 11:43:55.000000000 +0100
+++ linux-2.6.15-rc5-mm3-full/arch/i386/Kconfig.debug 2006-01-04 11:44:14.000000000 +0100
@@ -53,8 +53,8 @@
If in doubt, say "N".
config 4KSTACKS
- bool "Use 4Kb for kernel stacks instead of 8Kb"
- depends on DEBUG_KERNEL
+ bool "Use 4Kb for kernel stacks instead of 8Kb" if DEBUG_KERNEL
+ default y
help
If you say Y here the kernel will use a 4Kb stacksize for the
kernel stack attached to each process/thread. This facilitates
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