linux-kernel - [PATCH]: expose FORCE_MAX

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Date:	Thu, 27 Oct 2011 11:02:04 +0200
From:	Marc Leeman <marc.leeman@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	tglx@...utronix.de, mingo@...hat.com, hpa@...or.com, x86@...nel.org
Subject: [PATCH]: expose FORCE_MAX_ZONEORDER on x86

Larger blocks of memory can be required for e.g. higher resolutions on
some capture card drivers; this patch just enables an already
available configuration option on x86 (it was already exposed on other
architectures).

The default is set to 11, as in
./include/linux/mmzone.h

[barco@...server001 linux-3.0]$ find . -name Kconfig | xargs grep
FORCE_MAX_ZONEORDER
./arch/ia64/Kconfig:config FORCE_MAX_ZONEORDER
./arch/cris/Kconfig:config FORCE_MAX_ZONEORDER
./arch/arm/Kconfig:config FORCE_MAX_ZONEORDER
./arch/s390/Kconfig:config FORCE_MAX_ZONEORDER
./arch/mips/Kconfig:config FORCE_MAX_ZONEORDER
./arch/sh/mm/Kconfig:config FORCE_MAX_ZONEORDER
./arch/blackfin/Kconfig:config FORCE_MAX_ZONEORDER
./arch/powerpc/Kconfig:config FORCE_MAX_ZONEORDER

-- 
br, marc

The best approach for you requires two steps. The first step is
reading the Manual.
    Wolfgang Denk - u-boot mailing list

View attachment "0001-KConfig-x86-enable-FORCE_MAX_ZONEORDER.patch" of type "text/x-patch" (1227 bytes)