On Tue, Sep 06, 2022 at 11:59:42AM +0200, Alexander A Sverdlin wrote:
> From: Alexander Sverdlin <alexander.sverdlin@xxxxxxxxx>
>
> Commit c46173183657 ("MIPS: Add NUMA support for Loongson-3") has increased
> .bss size of the Octeon kernel from 16k to 16M. Providing the conditions
> for SPARSEMEM_EXTREME avoids the waste of memory.
>
> Signed-off-by: Alexander Sverdlin <alexander.sverdlin@xxxxxxxxx>
> ---
> arch/mips/Kconfig | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
> index ec21f89..79cfa1c 100644
> --- a/arch/mips/Kconfig
> +++ b/arch/mips/Kconfig
> @@ -2669,7 +2669,7 @@ config ARCH_FLATMEM_ENABLE
>
> config ARCH_SPARSEMEM_ENABLE
> bool
> - select SPARSEMEM_STATIC if !SGI_IP27
> + select SPARSEMEM_STATIC if MACH_LOONGSON64
removing the statement completely gives
text data bss total filename
11874896 6019382 17304160 35198438 vmlinux-sparsemem_static
11935172 6019702 526944 18481818 vmlinux
for a loogsoon64 kernel. And the kernel boots and works just fine.
Can you respin your patch and remove the select SPARSEMEM_STATIC ?
Thomas.
--
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea. [ RFC1925, 2.3 ]
