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Groups > linux.kernel > #1739737
| From | Michal Hocko <mhocko@kernel.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [RFC] a question about mlockall() and mprotect() |
| Date | 2017-09-26 11:30 +0200 |
| Message-ID | <utUlH-2Sr-13@gated-at.bofh.it> (permalink) |
| References | <utSWD-1N5-43@gated-at.bofh.it> <utTfY-29X-23@gated-at.bofh.it> <utTJ0-2nL-27@gated-at.bofh.it> <utU2m-2KN-31@gated-at.bofh.it> <utUc3-2OD-31@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Tue 26-09-17 17:13:59, Xishi Qiu wrote: > On 2017/9/26 17:02, Michal Hocko wrote: [...] > > This is still very fuzzy. What are you actually trying to achieve? > > I don't expect page fault any more after mlock. This should be the case normally. Except when mm_populate fails which can happen e.g. when running inside a memcg with the hard limit configured. Is there any other unexpected failure scenario you are seeing? -- Michal Hocko SUSE Labs
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[RFC] a question about mlockall() and mprotect() Xishi Qiu <qiuxishi@huawei.com> - 2017-09-26 10:00 +0200
Re: [RFC] a question about mlockall() and mprotect() Michal Hocko <mhocko@kernel.org> - 2017-09-26 10:20 +0200
Re: [RFC] a question about mlockall() and mprotect() Xishi Qiu <qiuxishi@huawei.com> - 2017-09-26 10:50 +0200
Re: [RFC] a question about mlockall() and mprotect() Michal Hocko <mhocko@kernel.org> - 2017-09-26 11:10 +0200
Re: [RFC] a question about mlockall() and mprotect() Xishi Qiu <qiuxishi@huawei.com> - 2017-09-26 11:20 +0200
Re: [RFC] a question about mlockall() and mprotect() Michal Hocko <mhocko@kernel.org> - 2017-09-26 11:30 +0200
Re: [RFC] a question about mlockall() and mprotect() Xishi Qiu <qiuxishi@huawei.com> - 2017-09-26 11:30 +0200
Re: [RFC] a question about mlockall() and mprotect() Vlastimil Babka <vbabka@suse.cz> - 2017-09-26 11:50 +0200
Re: [RFC] a question about mlockall() and mprotect() Michal Hocko <mhocko@kernel.org> - 2017-09-26 13:10 +0200
Re: [RFC] a question about mlockall() and mprotect() Xishi Qiu <qiuxishi@huawei.com> - 2017-09-27 08:00 +0200
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