On Wed, Apr 26, 2017 at 11:37:18AM +0900, Sergey Senozhatsky wrote:
> On (04/26/17 09:52), js1...@gmail.com wrote:
> [..]
> > struct zram_entry {
> > + struct rb_node rb_node;
> > + u32 len;
> > + u32 checksum;
> > + unsigned long refcount;
>
> use refcount_t? what do you think?We don't need atomic operation for refcount but refcount_t does. API of refcount_t provides additional guarantee that refcount will not overflow but I'm not sure that this overhead is needed here. Thanks.
