On Wed 31-01-18 07:55:05, Anshuman Khandual wrote: > On 01/30/2018 01:29 PM, Michal Hocko wrote: > > On Tue 30-01-18 08:37:14, Anshuman Khandual wrote: > >> alloc_contig_range() initiates compaction and eventual migration for > >> the purpose of either CMA or HugeTLB allocation. At present, reason > >> code remains the same MR_CMA for either of those cases. Lets add a > >> new reason code which will differentiate the purpose of migration > >> as HugeTLB allocation instead. > > Why do we need it? > > The same reason why we have MR_CMA (maybe some other ones as well) at > present, for reporting purpose through traces at the least. It just > seemed like same reason code is being used for two different purpose > of migration.
But do we have any real user asking for this kind of information? -- Michal Hocko SUSE Labs