diff mbox series

[v2] mips: Select SPARSEMEM_EXTREME

Message ID 20220909093042.23071-1-alexander.sverdlin@nokia.com (mailing list archive)
State Accepted
Commit 727488e305b223ca69205ca5a3b99ace21bbbf5f
Headers show
Series [v2] mips: Select SPARSEMEM_EXTREME | expand

Commit Message

Alexander Sverdlin Sept. 9, 2022, 9:30 a.m. UTC
From: Alexander Sverdlin <alexander.sverdlin@nokia.com>

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.

Thomas has tested the loogsoon64 kernel, where .bss is being reduced by
this patch from 16.5M to 515k.

Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Alexander Sverdlin <alexander.sverdlin@nokia.com>
---
 arch/mips/Kconfig | 1 -
 1 file changed, 1 deletion(-)

Comments

Thomas Bogendoerfer Sept. 9, 2022, 3:44 p.m. UTC | #1
On Fri, Sep 09, 2022 at 11:30:42AM +0200, Alexander A Sverdlin wrote:
> From: Alexander Sverdlin <alexander.sverdlin@nokia.com>
> 
> 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.
> 
> Thomas has tested the loogsoon64 kernel, where .bss is being reduced by
> this patch from 16.5M to 515k.
> 
> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
> Signed-off-by: Alexander Sverdlin <alexander.sverdlin@nokia.com>
> ---
>  arch/mips/Kconfig | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
> index ec21f89..25dd4c5 100644
> --- a/arch/mips/Kconfig
> +++ b/arch/mips/Kconfig
> @@ -2669,7 +2669,6 @@ config ARCH_FLATMEM_ENABLE
>  
>  config ARCH_SPARSEMEM_ENABLE
>  	bool
> -	select SPARSEMEM_STATIC if !SGI_IP27
>  
>  config NUMA
>  	bool "NUMA Support"
> -- 
> 2.10.2

thank for the change, applied to mips-fixes.

Thomas.
diff mbox series

Patch

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index ec21f89..25dd4c5 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -2669,7 +2669,6 @@  config ARCH_FLATMEM_ENABLE
 
 config ARCH_SPARSEMEM_ENABLE
 	bool
-	select SPARSEMEM_STATIC if !SGI_IP27
 
 config NUMA
 	bool "NUMA Support"