Messages in this thread | | | Date | Mon, 2 Oct 2017 17:47:23 -0400 | From | Jerome Glisse <> | Subject | Re: [PATCH] mm/hmm: constify hmm_devmem_page_get_drvdata() parameter |
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On Mon, Oct 02, 2017 at 02:40:42PM -0700, Andrew Morton wrote: > On Mon, 2 Oct 2017 15:32:54 -0400 Jérôme Glisse <jglisse@redhat.com> wrote: > > > From: Ralph Campbell <rcampbell@nvidia.com> > > > > Constify pointer parameter to avoid issue when use from code that > > only has const struct page pointer to use in the first place. > > That's rather vague. Does such calling code exist in the kernel? This > affects the which-kernel-gets-patched decision.
This is use by device driver, no driver upstream yet so it does not affect anybody upstream yet.
Jérôme
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