[PATCH -next] arm64: Remove unsued extern declaration init_mem_pgprot()

[YueHaibing]

commit a501e32430d4 ("arm64: Clean up the default pgprot setting")
left behind this.

Signed-off-by: YueHaibing <yuehaibing at huawei.com>
---
 arch/arm64/include/asm/mmu.h | 1 -
 1 file changed, 1 deletion(-)

diff --git a/arch/arm64/include/asm/mmu.h b/arch/arm64/include/asm/mmu.h
index 4384eaa0aeb7..94b68850cb9f 100644
--- a/arch/arm64/include/asm/mmu.h
+++ b/arch/arm64/include/asm/mmu.h
@@ -64,7 +64,6 @@ extern void arm64_memblock_init(void);
 extern void paging_init(void);
 extern void bootmem_init(void);
 extern void __iomem *early_io_map(phys_addr_t phys, unsigned long virt);
-extern void init_mem_pgprot(void);
 extern void create_mapping_noalloc(phys_addr_t phys, unsigned long virt,
 				   phys_addr_t size, pgprot_t prot);
 extern void create_pgd_mapping(struct mm_struct *mm, phys_addr_t phys,
-- 
2.34.1