Messages in this thread |  | | Date | Mon, 15 Jan 2024 15:39:00 +0000 | | From | "Russell King (Oracle)" <> | | Subject | Re: [PATCH] ARM64: Dynamically allocate cpumasks and increase supported CPUs to 512 |
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On Thu, Dec 14, 2023 at 04:05:56PM -0800, Christoph Lameter (Ampere) wrote: > Index: linux/arch/arm64/Kconfig > =================================================================== > --- linux.orig/arch/arm64/Kconfig > +++ linux/arch/arm64/Kconfig > @@ -1407,7 +1407,21 @@ config SCHED_SMT > config NR_CPUS > int "Maximum number of CPUs (2-4096)" > range 2 4096
I think your mailer got to your patch and messed up the white space. There are two spaces before each of these lines rather than the usual one.
> - default "256" > + default 512 > + > +# > +# Determines the placement of cpumasks. > +# > +# With CPUMASK_OFFSTACK the cpumasks are dynamically allocated. > +# Useful for machines with lots of core because it avoids increasing > +# the size of many of the data structures in the kernel. > +# > +# If this is off then the cpumasks have a static sizes and are > +# embedded within data structures. > +# > +config CPUMASK_OFFSTACK > + def_bool y > + depends on NR_CPUS > 256
Should that be ">= 256" ?
> > config HOTPLUG_CPU > bool "Support for hot-pluggable CPUs"
Same here.
-- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last!
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