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Subject[PATCH] riscv: Fixup one-page wasting
Date
From: Guo Ren <guoren@linux.alibaba.com>

For small memory systems(Allwinner D1s/F133), one page size memory
cannot be ignored.

Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Cc: Alexandre Ghiti <alex@ghiti.fr>
Cc: Anup Patel <anup@brainfault.org>
Cc: Atish Patra <Atish.Patra@wdc.com>
---
arch/riscv/mm/init.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c
index 24b2b8044602..097bb3bc4020 100644
--- a/arch/riscv/mm/init.c
+++ b/arch/riscv/mm/init.c
@@ -241,9 +241,9 @@ unsigned long riscv_pfn_base __ro_after_init;
EXPORT_SYMBOL(riscv_pfn_base);

pgd_t swapper_pg_dir[PTRS_PER_PGD] __page_aligned_bss;
-pgd_t trampoline_pg_dir[PTRS_PER_PGD] __page_aligned_bss;
static pte_t fixmap_pte[PTRS_PER_PTE] __page_aligned_bss;

+pgd_t trampoline_pg_dir[PTRS_PER_PGD] __initdata __aligned(PAGE_SIZE);
pgd_t early_pg_dir[PTRS_PER_PGD] __initdata __aligned(PAGE_SIZE);
static pmd_t __maybe_unused early_dtb_pmd[PTRS_PER_PMD] __initdata __aligned(PAGE_SIZE);

--
2.25.1
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