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Commit 9a431bd5 authored by Russell King's avatar Russell King
Browse files

ARM: make highpte an expert option 



When highmem is enabled, there's little reason not to also enable
highpte support as well.  Rather than leaving this to chance, make
it an expert option, and default it to be enabled if highmem is
enabled.  Add some help text to the option while we're here.

Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 63ce446c

arch/arm/Kconfig

+2 −1
Original line number Diff line number Diff line
@@ -1697,8 +1697,9 @@ config HIGHMEM 
	  If unsure, say n.



config HIGHPTE

	bool "Allocate 2nd-level pagetables from highmem"

	bool "Allocate 2nd-level pagetables from highmem" if EXPERT

	depends on HIGHMEM

	default y

	help

	  The VM uses one page of physical memory for each page table.

	  For systems with a lot of processes, this can use a lot of