On 11/13/2017 11:10 AM, Johannes Weiner wrote: > On Mon, Nov 13, 2017 at 06:45:01PM +0000, Roman Gushchin wrote: >> Or, at least, some total counter, e.g. how much memory is consumed >> by hugetlb pages? > > I'm not a big fan of the verbose breakdown for every huge page size. > As others have pointed out such detail exists elswhere. > > But I do think we should have a summary counter for memory consumed by > hugetlb that lets you know how much is missing from MemTotal. This can > be large parts of overall memory, and right now /proc/meminfo will > give the impression we are leaking those pages. > > Maybe a simple summary counter for everything set aside by the hugetlb > subsystem - default and non-default page sizes, whether they're used > or only reserved etc.? > > Hugetlb 12345 kB I would prefer this approach. The 'trick' is coming up with a name or description that is not confusing. Unfortunately, we have to leave the existing entries. So, this new entry will be greater than or equal to HugePages_Total. :( I guess Hugetlb is as good of a name as any? -- Mike Kravetz -- 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>
