| Message ID | 1444237225-13802-7-git-send-email-jeremy.linton@arm.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 07d1811..9485c14 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -400,6 +400,13 @@ config ARM64_VA_BITS default 42 if ARM64_VA_BITS_42 default 48 if ARM64_VA_BITS_48 +config ARM64_CONT_PTE + bool "Use contiguous page hint for kernel linear mapping" + default y + help + Marking kernel pages contiguous can reduce TLB pressure for + certain workloads. If unsure, say Y. + config CPU_BIG_ENDIAN bool "Build big-endian kernel" help
Add ARM64_CONT_PTE, so that the contiguous PTE marking in the kernel's linear mapping may be turned off. In general this should not be necessary, but it can help sanity check that the code/hardware is working properly. Signed-off-by: Jeremy Linton <jeremy.linton@arm.com> --- arch/arm64/Kconfig | 7 +++++++ 1 file changed, 7 insertions(+)