On 06.02.20 10:28, Wang, Wei W wrote: > On Thursday, February 6, 2020 5:10 PM, David Hildenbrand wrote: >> so dropping caches (echo 3 > /proc/sys/vm/drop_caches) will no longer >> deflate the balloon when conservative_shrinker=true? >> > > Should be. Need Tyler's help to test it. > 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() While I like the general idea, it looks more like a hack to me, to try to teach the shrinker something it was not built for/does not support yet. -- Thanks, David / dhildenb _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization
