[PATCH] ARM: add help text for HIGHPTE configuration entry
From: Russell King <hidden>
Date: 2015-07-01 21:45:49
Subsystem:
arm port, the rest · Maintainers:
Russell King, Linus Torvalds
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: Russell King <redacted> --- arch/arm/Kconfig | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 45df48ba0b12..cc0ea0c6cfc9 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig@@ -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"
--
2.1.0