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Commit c1b2d970 authored by Magnus Damm's avatar Magnus Damm Committed by Russell King
Browse files

ARM: 6206/1: CONFIG_FORCE_MAX_ZONEORDER update for SH-Mobile ARM 



Allow SH-Mobile ARM users to adjust FORCE_MAX_ZONEORDER.

The Kconfig entry is taken from SH and non-4K page size
stuff has been trimmed away. For now only SH-Mobile ARM is
allowed to change this variable, SA1111 configs are kept at
"9" and the rest at "11".

CONFIG_FORCE_MAX_ZONEORDER lets the user tweak the maximum
amount of physically contiguous memory that can be allocated
by the kernel.

Signed-off-by: default avatarMagnus Damm <damm@opensource.se>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 5aaf2544

arch/arm/Kconfig

+16 −5
Original line number Diff line number Diff line
@@ -1031,11 +1031,6 @@ endmenu 


source "arch/arm/common/Kconfig"



config FORCE_MAX_ZONEORDER

	int

	depends on SA1111

	default "9"



menu "Bus support"



config ARM_AMBA
@@ -1304,6 +1299,22 @@ config SPARSE_IRQ 


source "mm/Kconfig"



config FORCE_MAX_ZONEORDER

	int "Maximum zone order" if ARCH_SHMOBILE

	range 11 64 if ARCH_SHMOBILE

	default "9" if SA1111

	default "11"

	help

	  The kernel memory allocator divides physically contiguous memory

	  blocks into "zones", where each zone is a power of two number of

	  pages.  This option selects the largest power of two that the kernel

	  keeps in the memory allocator.  If you need to allocate very large

	  blocks of physically contiguous memory, then you may need to

	  increase this value.



	  This config option is actually maximum order plus one. For example,

	  a value of 11 means that the largest free memory block is 2^10 pages.



config LEDS

	bool "Timer and CPU usage LEDs"

	depends on ARCH_CDB89712 || ARCH_EBSA110 || \