On Thursday, February 6, 2020 5:32 PM, David Hildenbrand wrote: > > If the page cache is empty, a drop_slab() will deflate the whole balloon if I > am not wrong. > > Especially, a echo 3 > /proc/sys/vm/drop_caches > > will first drop the page cache and then drop_slab() Then that's the problem of "echo 3 > /proc/sys/vm/drop_cache" itself. It invokes other shrinkers as well (if considered an issue), need to be tweaked in the mm. Best, Wei _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization