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Commit b4d103d1 authored by Russell King's avatar Russell King
Browse files

ARM: add help text for HIGHPTE configuration entry 



Add some help text for the HIGHPTE configuration entry.  This comes from
the x86 entry, but reworded to be more a more accurate description of
what this option does.

Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent e6ae32c3

arch/arm/Kconfig

+6 −0
Original line number Diff line number Diff line
@@ -1661,6 +1661,12 @@ config HIGHMEM 
config HIGHPTE

	bool "Allocate 2nd-level pagetables from highmem"

	depends on HIGHMEM

	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

	  precious low memory, eventually leading to low memory being

	  consumed by page tables.  Setting this option will allow

	  user-space 2nd level page tables to reside in high memory.



config HW_PERF_EVENTS

	bool "Enable hardware performance counter support for perf events"