Re: [PATCH v4 03/22] mm/zsmalloc: convert __zs_map_object/__zs_unmap_object to use zpdesc

[Sergey Senozhatsky]

On (24/07/29 19:25), alexs@xxxxxxxxxx wrote:
> +static inline void *zpdesc_kmap_atomic(struct zpdesc *zpdesc)
> +{
> +	return kmap_atomic(zpdesc_page(zpdesc));
> +}
> +
[..]
>  	/* copy object to per-cpu buffer */
> -	addr = kmap_atomic(pages[0]);
> +	addr = zpdesc_kmap_atomic(zpdescs[0]);
>  	memcpy(buf, addr + off, sizes[0]);
>  	kunmap_atomic(addr);
> -	addr = kmap_atomic(pages[1]);
> +	addr = zpdesc_kmap_atomic(zpdescs[1]);
>  	memcpy(buf + sizes[0], addr, sizes[1]);
>  	kunmap_atomic(addr);

Don't know if kmap_atomic() wrapper buys us anything, but okay.