On (08/23/19 04:10), Henry Burns wrote: > > Thanks. So we have a couple of races which result in memory leaks? Do > > we feel this is serious enough to justify a -stable backport of the > > fixes? > > In this case a memory leak could lead to an eventual crash if > compaction hits the leaked page. I don't know what a -stable > backport entails, but this crash would only occur if people are > changing their zswap backend at runtime > (which eventually starts destruction). Well, zram/zsmalloc is not only for swapping, but it's also a virtual block device which can be created or destroyed dynamically. So it looks like a potential -stable material. Minchan? -ss