On Wed, 4 Jan 2006 22:00:45 +0100, Adrian Bunk <[email protected]> wrote:
>On Thu, Jan 05, 2006 at 07:53:00AM +1100, Grant Coady wrote:
>> On Wed, 4 Jan 2006 15:51:38 +0100, Adrian Bunk <[email protected]> wrote:
>>...
>> > If you say Y here the kernel will use a 4Kb stacksize for the
>> > kernel stack attached to each process/thread. This facilitates
>>
>> Perhaps mention 4k + 4k stacks, the separate irq stacks used with 4k option?
>
>Feel free to submit a patch. ;-)
Okay :)
Based on Adrian Bunk's patch, default to 4k +4k stacks and making
it more obvious that available stack space is not being halved.
Compile tested.
Signed-off-by: Grant Coady <[email protected]>
---
Kconfig.debug | 7 ++++---
1 files changed, 4 insertions(+), 3 deletions(-)
--- linux-2.6.15a/arch/i386/Kconfig.debug 2005-10-28 10:02:08.000000000 +1000
+++ linux-2.6.15b/arch/i386/Kconfig.debug 2006-01-05 09:39:22.000000000 +1100
@@ -53,14 +53,15 @@
of memory corruptions.
config 4KSTACKS
- bool "Use 4Kb for kernel stacks instead of 8Kb"
- depends on DEBUG_KERNEL
+ bool "Use 4Kb + 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
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.
+ will also use separate 4Kb IRQ stacks to compensate for the
+ reduced stackspace.
config X86_FIND_SMP_CONFIG
bool
-
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