On Wed 06-06-18 10:28:00, Rafael Telles wrote: > Thank you so much for your attention Michal, > > Are there any settings (such as sysctl parameters) that I can use to better > control the memory reclaiming? Such as: defining the max. amount of mmap > pages allocated or max. amount of memory used by mmap pages? None that I know of. You shouldn't really care about this, really. > Or will the system start reclaiming only when it needs more memory? Exactly. We try to keep the memory used as much as possible. > I found that I could use madvise with MADV_DONTNEED in order to actively > free RSS memory used by mmap pages, but it would add more complexity on my > software. That would be an option. But it really depends on what you are trying to achieve. -- Michal Hocko SUSE Labs
