Re: [PATCH] zram: fix possible race when checking idle_strm

Sergey Senozhatsky
2015-08-07T09:18:57Z

On (08/07/15 18:14), Sergey Senozhatsky wrote:
[..]
> hm... we also can simply forbid downgrading a multi stream backend
> to a single stream (in terms of performance it is much slower
> than a real single steam anyway). will this do the trick? if we
> have more than 1 stream and idle list then there will be more that
> one wakeup. and every woken up task will call wakeup once it put
> stream.

this is unreadable, sorry.

should be:
"if we have more than 1 stream and _empty_ idle list then there
will be more than one wakeup. and every woken up task will call
wakeup once it puts stream back to the idle list."

-ss