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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-07-20 13:21:28 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-07-20 13:21:28 -0700 |
| commit | ed15e8880fc3d8d52bc02a02521054bfcb26264a (patch) | |
| tree | 816a7f35028762976f5d4bc4df172e407c4bcbe2 /arch/arm/Kconfig | |
| parent | b8d1f261fe7e4967593a5637d62991b6197a03f8 (diff) | |
| parent | 52721d9d3334c1cb1f76219a161084094ec634dc (diff) | |
| download | linux-ed15e8880fc3d8d52bc02a02521054bfcb26264a.tar.gz | |
Merge 4.2-rc3 into staging-next
We need the staging fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/arm/Kconfig')
| -rw-r--r-- | arch/arm/Kconfig | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index a750c1425c3a..1c5021002fe4 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1693,6 +1693,12 @@ 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" |