Messages in this thread | | | Date | Mon, 25 Jan 2016 21:06:09 +1100 | From | Paul Mackerras <> | Subject | Re: [kernel] powerpc: Make vmalloc_to_phys() public |
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On Mon, Jan 25, 2016 at 04:46:03PM +1100, Michael Ellerman wrote: > On Thu, 2016-21-01 at 07:35:08 UTC, Alexey Kardashevskiy wrote: > > This makes vmalloc_to_phys() public as there will be another user > > (in-kernel VFIO acceleration) for it soon. > > > > As a part of future little optimization, this changes the helper to call > > vmalloc_to_pfn() instead of vmalloc_to_page() as the size of the > > struct page may not be power-of-two aligned which will make gcc use > > multiply instructions instead of shifts. > > You should also mention why you need to export it, presumably because whatever > new user you have in mind can be built as a module.
If I remember correctly, it's the *existing* user in hv-24x7.c that needs the export.
Paul.
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