On Tue, 18 Jun 2013 14:47:04 -0400 Joern Engel <jo...@logfs.org> wrote:
> When moving a program from mmap'ing small pages to mmap'ing huge pages, > a remarkable drop in rss ensues. For some reason hugepages were never > accounted for in rss, which in my book is a clear bug. Sadly this bug > has been present in hugetlbfs since it was merged back in 2002. There > is every chance existing programs depend on hugepages not being counted > as rss. > > I think the correct solution is to fix the bug and wait for someone to > complain. It is just as likely that noone cares - as evidenced by the > fact that noone seems to have noticed for ten years. > Yes, that is a concern. I'll toss it in there so we can see what happens, but I fear that any problems will take a long time to be discovered. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/