On Thu, Feb 01, 2024 at 03:49:01PM +0000, Chengming Zhou wrote:
> Add more comments in shrink_memcg_cb() to describe the deref dance
> which is implemented to fix race problem between lru writeback and
> swapoff, and the reason why we rotate the entry at the beginning.
>
> Also fix the stale comments in zswap_writeback_entry(), and add
> more comments to state that we only deref the tree after we get
> the swapcache reference.
>
> Suggested-by: Yosry Ahmed <[email protected]>
> Suggested-by: Johannes Weiner <[email protected]>
> Signed-off-by: Chengming Zhou <[email protected]>
Signed-off-by: Johannes Weiner <[email protected]>
Thanks!