riscv: Support allocating gigantic hugepages using CMA

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This patch adds support to allocate gigantic hugepages using CMA by
specifying the hugetlb_cma= kernel parameter.  This is only supported on
RV64.

Reviewed-by: Alexandre Ghiti <alex@ghiti.fr>
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>

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Kefeng Wang 2021-07-30 20:48:41 +08:00 • committed by Palmer Dabbelt

parent fb31f0a499

commit 8ba1a8b77b

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arch/riscv/mm/init.c

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