Re: [PATCH V2] mm/madvise: Enable (soft|hard) offline of HugeTLB pages at PGD level

2017-05-13 Thread Anshuman Khandual
On 05/13/2017 03:05 AM, Andrew Morton wrote: > On Wed, 26 Apr 2017 09:27:31 +0530 Anshuman Khandual > wrote: > >> Though migrating gigantic HugeTLB pages does not sound much like real >> world use case, they can be affected by memory errors. Hence migration >> at the PGD level HugeTLB pages shou

Re: [PATCH V2] mm/madvise: Enable (soft|hard) offline of HugeTLB pages at PGD level

2017-05-12 Thread Andrew Morton
On Wed, 26 Apr 2017 09:27:31 +0530 Anshuman Khandual wrote: > Though migrating gigantic HugeTLB pages does not sound much like real > world use case, they can be affected by memory errors. Hence migration > at the PGD level HugeTLB pages should be supported just to enable soft > and hard offline

[PATCH V2] mm/madvise: Enable (soft|hard) offline of HugeTLB pages at PGD level

2017-04-25 Thread Anshuman Khandual
Though migrating gigantic HugeTLB pages does not sound much like real world use case, they can be affected by memory errors. Hence migration at the PGD level HugeTLB pages should be supported just to enable soft and hard offline use cases. While allocating the new gigantic HugeTLB page, it should