[PATCH 0/4] Patches for -next

[Russell King - ARM Linux]

On Fri, May 21, 2010 at 10:52:21AM +0100, Catalin Marinas wrote:
> +	if (cache_is_vivt())
> +		make_coherent(mapping, vma, addr, ptep, pfn);
> +	else if (vma->vm_flags & VM_EXEC) {
> +		__flush_icache_all();
> +#ifdef CONFIG_SMP
> +		set_pte_ext(ptep, __pte(pte_val(*ptep) | L_PTE_EXEC),
> +			    addr >= TASK_SIZE ? 0 : PTE_EXT_NG);

You don't need this test - pages which have VMAs are userspace pages,
and therefore the address is always < TASK_SIZE.  Therefore, they're
always non-global:

		set_pte_ext(ptep, __pte(pte_val(*ptep) | L_PTE_EXEC),
			    PTE_EXT_NG);