Messages in this thread | | | From | Grant Coady <> | Subject | Re: [-mm patch] i386: enable 4k stacks by default | Date | Thu, 05 Jan 2006 07:53:00 +1100 |
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On Wed, 4 Jan 2006 15:51:38 +0100, Adrian Bunk <bunk@stusta.de> wrote:
>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 <bunk@stusta.de> > >--- 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
Perhaps mention 4k + 4k stacks, the separate irq stacks used with 4k option?
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