static int move_one_page(struct mm_struct *mm, unsigned long old_addr, unsigned long new_addr) { int error = 0; pte_t * src, * dst; spin_lock(&mm->page_table_lock); src = get_one_pte(mm, old_addr); if (src) { dst = alloc_one_pte(mm, new_addr); src = get_one_pte(mm, old_addr); if (src) error = copy_one_pte(mm, src, dst); } spin_unlock(&mm->page_table_lock); return error; }
static int move_one_page(struct mm_struct *mm, unsigned long old_addr, unsigned long new_addr) { int error = 0; pte_t * src; src = get_one_pte(mm, old_addr); if (src) error = copy_one_pte(src, alloc_one_pte(mm, new_addr)); return error; }