Re: [PATCH] zram: extra zram_get_element call in zram_read_from_zspool()

[Sergey Senozhatsky]

On (23/11/06 22:55), Vasily Averin wrote:
> 
> 'element' and 'handle' are union in struct zram_table_entry.
> 
> Fixes: 8e19d540d107 ("zram: extend zero pages to same element pages")

Sorry, what exactly does it fix?

[..]
> @@ -1318,12 +1318,10 @@ static int zram_read_from_zspool(struct zram *zram, struct page *page,
>  
>  	handle = zram_get_handle(zram, index);
>  	if (!handle || zram_test_flag(zram, index, ZRAM_SAME)) {
> -		unsigned long value;
>  		void *mem;
>  
> -		value = handle ? zram_get_element(zram, index) : 0;
>  		mem = kmap_atomic(page);
> -		zram_fill_page(mem, PAGE_SIZE, value);
> +		zram_fill_page(mem, PAGE_SIZE, handle);
>  		kunmap_atomic(mem);
>  		return 0;
>  	}