[PATCH master 2/7] include: zero_page: hide possibly NULL pointer variable from optimizer

[Ahmad Fatoum]

On 22.05.23 07:22, Ahmad Fatoum wrote:

Signed-off-by: Ahmad Fatoum <a.fatoum at pengutronix.de>

> ---
>  include/zero_page.h | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/include/zero_page.h b/include/zero_page.h
> index 26a12246f155..a71c0e0b8733 100644
> --- a/include/zero_page.h
> +++ b/include/zero_page.h
> @@ -44,6 +44,8 @@ static inline void *zero_page_memcpy(void *dest, const void *src, size_t count)
>  {
>  	void *ret;
>  
> +	OPTIMIZER_HIDE_VAR(dest);
> +
>  	zero_page_access();
>  	ret = memcpy(dest, src, count);
>  	zero_page_faulting();

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