riscv/mm: hugepage's PG_dcache_clean flag is only set in head page

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HugeTLB pages are always fully mapped, so only setting head page's
PG_dcache_clean flag is enough.

Signed-off-by: Tong Tiangen <tongtiangen@huawei.com>
Link: https://lore.kernel.org/lkml/20220331065640.5777-2-songmuchun@bytedance.com/
Link: https://lore.kernel.org/r/20221024094725.3054311-2-tongtiangen@huawei.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>

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Tong Tiangen 2022-10-24 09:47:24 +00:00 • committed by Palmer Dabbelt

parent 6925ba3d9b

commit d33deda095

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7

arch/riscv/include/asm/cacheflush.h

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7

arch/riscv/mm/cacheflush.c

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