Re: [PATCH] mm/page_alloc: Skip non present sections on zone initialization

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On Fri, Jan 10, 2020 at 03:56:14PM +0100, David Hildenbrand wrote:
> On 10.01.20 15:54, Kirill A. Shutemov wrote:
> > On Fri, Jan 10, 2020 at 03:48:39PM +0100, David Hildenbrand wrote:
> >>>> +       if (!present_section_nr(section_nr))
> >>>> +               return section_nr_to_pfn(next_present_section_nr(section_nr));
> >>>
> >>> This won't compile. next_present_section_nr() is static to mm/sparse.c.
> >>
> >> We should then move that to the header IMHO.
> > 
> > It looks like too much for a trivial cleanup.
> > 
> 
> Cleanup? This is a performance improvement ("fix the issue."). We should
> avoid duplicating code where it can be avoided.

My original patch is in -mm tree and fixes the issue. The thread is about
tiding it up.

-- 
 Kirill A. Shutemov




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