> On 11/20/19 4:03 PM, Jan Hubicka wrote: > > I have noticed that for Firefox around 1GB of peak memory use goes into > > the fact that we never free memory_block_pool::freelist. > > Great, can you reduce the peak memory by the 1GB with the patch?
About half of it, approx 0.5GB (8.3GB -> 7.8GB) judging from memory use graphs. I was checking and malloc returns to system everything over 128k (at least it claims so) and malloc_trim does not make much difference. I am not sure how the vmstat reacts to MADV_DONTNEED. Honza
