From: Alexander Sverdlin <alexander.sverdlin@nokia.com>
Date: Fri, 9 Sep 2022 09:30:42 +0000 (+0200)
Subject: mips: Select SPARSEMEM_EXTREME
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=727488e305b223ca69205ca5a3b99ace21bbbf5f;p=linux.git

mips: Select SPARSEMEM_EXTREME

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>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
---

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index ec21f89992498..25dd4c5a8ef50 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"