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Groups > linux.kernel > #1505202
| From | Michal Hocko <mhocko@kernel.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 00/10] mm: adjust get_user_pages* functions to explicitly pass FOLL_* flags |
| Date | 2016-10-20 21:30 +0200 |
| Message-ID | <surcl-3mp-9@gated-at.bofh.it> (permalink) |
| References | (2 earlier) <stZSP-2nd-91@gated-at.bofh.it> <stZSP-2nd-89@gated-at.bofh.it> <su2nE-3Wn-33@gated-at.bofh.it> <su2xj-4eW-9@gated-at.bofh.it> <su2QF-4lW-19@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Wed 19-10-16 10:23:55, Dave Hansen wrote: > On 10/19/2016 10:01 AM, Michal Hocko wrote: > > The question I had earlier was whether this has to be an explicit FOLL > > flag used by g-u-p users or we can just use it internally when mm != > > current->mm > > The reason I chose not to do that was that deferred work gets run under > a basically random 'current'. If we just use 'mm != current->mm', then > the deferred work will sometimes have pkeys enforced and sometimes not, > basically randomly. OK, I see (async_pf_execute and ksm ). It makes more sense to me. Thanks for the clarification. -- Michal Hocko SUSE Labs
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Re: [PATCH 00/10] mm: adjust get_user_pages* functions to explicitly pass FOLL_* flags Michal Hocko <mhocko@kernel.org> - 2016-10-18 17:40 +0200
Re: [PATCH 00/10] mm: adjust get_user_pages* functions to explicitly pass FOLL_* flags Michal Hocko <mhocko@kernel.org> - 2016-10-19 16:20 +0200
Re: [PATCH 00/10] mm: adjust get_user_pages* functions to explicitly pass FOLL_* flags Dave Hansen <dave.hansen@linux.intel.com> - 2016-10-19 19:00 +0200
Re: [PATCH 00/10] mm: adjust get_user_pages* functions to explicitly pass FOLL_* flags Michal Hocko <mhocko@kernel.org> - 2016-10-19 19:10 +0200
Re: [PATCH 00/10] mm: adjust get_user_pages* functions to explicitly pass FOLL_* flags Dave Hansen <dave.hansen@linux.intel.com> - 2016-10-19 19:30 +0200
Re: [PATCH 00/10] mm: adjust get_user_pages* functions to explicitly pass FOLL_* flags Michal Hocko <mhocko@kernel.org> - 2016-10-20 21:30 +0200
Re: [PATCH 00/10] mm: adjust get_user_pages* functions to explicitly pass FOLL_* flags Lorenzo Stoakes <lstoakes@gmail.com> - 2016-10-19 18:20 +0200
Re: [PATCH 00/10] mm: adjust get_user_pages* functions to explicitly pass FOLL_* flags Lorenzo Stoakes <lstoakes@gmail.com> - 2016-10-26 11:00 +0200
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