Alexey Dobriyan <adobri...@gmail.com> writes:
>
> +#ifdef CONFIG_MARCH_NATIVE_REP_STOSB
> +static __always_inline void clear_page(void *page)
> +{
> + uint32_t len = PAGE_SIZE;
> + asm volatile (
> + "rep stosb"
> + : "+D" (page), "+c" (len)
> + : "a" (0)
> + : "memory"
> + );
> +}clear_page_64 already patches in the equivalent code sequence, it's clear_page_erms() It's very doubtful that this patch is worth it. -Andi
