linux-kernel - [PATCH] ARM: stm32: Reduce FORCE_MAX

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Date:	Tue, 25 Aug 2015 22:07:17 +0200
From:	Maxime Coquelin <mcoquelin.stm32@...il.com>
To:	Arnd Bergmann <arnd@...db.de>, olof@...om.net, khilman@...nel.org,
	afaerber@...e.de
Cc:	Russell King <linux@....linux.org.uk>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH] ARM: stm32: Reduce FORCE_MAX_ZONEORDER to 9

STM32 boards having small amount of RAM, we can optimize by reducing max order
page blocks size.

Suggested-by: Andreas Färber <afaerber@...e.de>
Signed-off-by: Maxime Coquelin <mcoquelin.stm32@...il.com>
---
 arch/arm/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index a750c14..57d53af 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1734,7 +1734,7 @@ config FORCE_MAX_ZONEORDER
 	int "Maximum zone order" if ARCH_SHMOBILE_LEGACY
 	range 11 64 if ARCH_SHMOBILE_LEGACY
 	default "12" if SOC_AM33XX
-	default "9" if SA1111 || ARCH_EFM32
+	default "9" if SA1111 || ARCH_EFM32 || ARCH_STM32
 	default "11"
 	help
 	  The kernel memory allocator divides physically contiguous memory
-- 
1.9.1

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