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Groups > linux.kernel > #1254306
| From | "Hillf Danton" <hillf.zj@alibaba-inc.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v11 02/14] HMM: add special swap filetype for memory migrated to device v2. |
| Date | 2015-10-23 05:30 +0200 |
| Message-ID | <qmBdf-5Xq-3@gated-at.bofh.it> (permalink) |
| References | <qmiX0-4m5-23@gated-at.bofh.it> <qmiX0-4m5-21@gated-at.bofh.it> <qmp2q-56v-13@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
> > > + if (cnt_hmm_entry) {
> > > + int ret;
> > > +
> > > + ret = hmm_mm_fork(src_mm, dst_mm, dst_vma,
> > > + dst_pmd, start, end);
> >
> > Given start, s/end/addr/, no?
>
> No, end is the right upper limit here.
>
Then in the first loop, hmm_mm_fork is invoked for
the _entire_ range, from input addr to end.
In subsequent loops(if necessary), start is updated to
addr, and hmm_mm_fork is also invoked for remaining
range, from start to end.
Is the above overlap in range making sense?
Hillf
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Re: [PATCH v11 02/14] HMM: add special swap filetype for memory migrated to device v2. "Hillf Danton" <hillf.zj@alibaba-inc.com> - 2015-10-22 10:00 +0200
Re: [PATCH v11 02/14] HMM: add special swap filetype for memory migrated to device v2. Jerome Glisse <jglisse@redhat.com> - 2015-10-22 16:30 +0200
Re: [PATCH v11 02/14] HMM: add special swap filetype for memory migrated to device v2. "Hillf Danton" <hillf.zj@alibaba-inc.com> - 2015-10-23 05:30 +0200
Re: [PATCH v11 02/14] HMM: add special swap filetype for memory migrated to device v2. Jerome Glisse <j.glisse@gmail.com> - 2015-10-23 06:00 +0200
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