arm64: mm: simplify the page end calculation in __create_pgd_mapping() (32d18708) · Commits · 戴 / test

Calculate the page-aligned end address more simply. The local variable, "length" is unneeded. Reviewed-by:

arch/arm64/mm/mmu.c

+2 −3

Original line number	Diff line number	Diff line
		@@ -338,7 +338,7 @@ static void __create_pgd_mapping(pgd_t *pgdir, phys_addr_t phys,
		phys_addr_t (*pgtable_alloc)(int),
		int flags)
		{
		unsigned long addr, length, end, next;
		unsigned long addr, end, next;
		pgd_t *pgdp = pgd_offset_raw(pgdir, virt);

		/*
		@@ -350,9 +350,8 @@ static void __create_pgd_mapping(pgd_t *pgdir, phys_addr_t phys,

		phys &= PAGE_MASK;
		addr = virt & PAGE_MASK;
		length = PAGE_ALIGN(size + (virt & ~PAGE_MASK));
		end = PAGE_ALIGN(virt + size);

		end = addr + length;
		do {
		next = pgd_addr_end(addr, end);
		alloc_init_pud(pgdp, addr, next, phys, prot, pgtable_alloc,