On Wed, 18 Oct 2017, Yang Shi wrote: > > Yes, this should catch occurrences of "huge unreclaimable slabs", right? > > Yes, it sounds so. Although single "huge" unreclaimable slab might not result > in excessive slabs use in a whole, but this would help to filter out "small" > unreclaimable slab. > Keep in mind this is regardless of SLAB_RECLAIM_ACCOUNT: your patch has value beyond only unreclaimable slab, it can also be used to show instances where the oom killer was invoked without properly reclaiming slab. If the total footprint of a slab cache exceeds 5%, I think a line should be emitted unconditionally to the kernel log. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>
