diff options
| author | Gavin Shan <gshan@redhat.com> | 2020-09-10 19:59:36 +1000 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2020-09-11 16:33:44 +0100 |
| commit | e676594115f0bcc12d4791f9ee919e20d8d750ee (patch) | |
| tree | c9c1d06b4f2a030c4fb96cd2431f7eff42e28dfb /arch/arm64/Kconfig | |
| parent | c0d6de327f18d39ef759aa883bffc3c32bc69015 (diff) | |
arm64/mm: Unify CONT_PMD_SHIFT
Similar to how CONT_PTE_SHIFT is determined, this introduces a new
kernel option (CONFIG_CONT_PMD_SHIFT) to determine CONT_PMD_SHIFT.
Signed-off-by: Gavin Shan <gshan@redhat.com>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Link: https://lore.kernel.org/r/20200910095936.20307-3-gshan@redhat.com
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'arch/arm64/Kconfig')
| -rw-r--r-- | arch/arm64/Kconfig | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 4f3b7b24b5e5..609629e36779 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -217,6 +217,12 @@ config ARM64_CONT_PTE_SHIFT default 7 if ARM64_16K_PAGES default 4 +config ARM64_CONT_PMD_SHIFT + int + default 5 if ARM64_64K_PAGES + default 5 if ARM64_16K_PAGES + default 4 + config ARCH_MMAP_RND_BITS_MIN default 14 if ARM64_64K_PAGES default 16 if ARM64_16K_PAGES |