arm64/mm: Unify CONT_PMD_SHIFT
authorGavin Shan <gshan@redhat.com>
Thu, 10 Sep 2020 09:59:36 +0000 (19:59 +1000)
committerWill Deacon <will@kernel.org>
Fri, 11 Sep 2020 15:33:44 +0000 (16:33 +0100)
commite676594115f0bcc12d4791f9ee919e20d8d750ee
treec9c1d06b4f2a030c4fb96cd2431f7eff42e28dfb
parentc0d6de327f18d39ef759aa883bffc3c32bc69015
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>
arch/arm64/Kconfig
arch/arm64/include/asm/pgtable-hwdef.h