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authorMark Rutland <mark.rutland@arm.com>2016-05-31 15:57:59 +0100
committerWill Deacon <will.deacon@arm.com>2016-06-03 10:57:18 +0100
commit030c4d24447cbf2bd612baea5695952e5f62c042 (patch)
tree370cfec9c6a7ed803abd94449aab1080b909fed4 /arch/arm64/Kconfig
parent48dd73c55d45d60037ea8d73eab60f2033d90721 (diff)
arm64: move {PAGE,CONT}_SHIFT into Kconfig
In some cases (e.g. the awk for CONFIG_RANDOMIZE_TEXT_OFFSET) we would like to make use of PAGE_SHIFT outside of code that can include the usual header files. Add a new CONFIG_ARM64_PAGE_SHIFT for this, likewise with ARM64_CONT_SHIFT for consistency. Signed-off-by: Mark Rutland <mark.rutland@arm.com> Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Sudeep Holla <sudeep.holla@arm.com> Cc: Will Deacon <will.deacon@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'arch/arm64/Kconfig')
-rw-r--r--arch/arm64/Kconfig12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 76747d92bc72..5fe320899eb4 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -113,6 +113,18 @@ config ARCH_PHYS_ADDR_T_64BIT
config MMU
def_bool y
+config ARM64_PAGE_SHIFT
+ int
+ default 16 if ARM64_64K_PAGES
+ default 14 if ARM64_16K_PAGES
+ default 12
+
+config ARM64_CONT_SHIFT
+ int
+ default 5 if ARM64_64K_PAGES
+ default 7 if ARM64_16K_PAGES
+ default 4
+
config ARCH_MMAP_RND_BITS_MIN
default 14 if ARM64_64K_PAGES
default 16 if ARM64_16K_PAGES