Re: [PATCHv2, RFC 16/30] thp: handle file pages in split_huge_page()

[Kirill A. Shutemov]

Dave wrote:
> On 03/14/2013 10:50 AM, Kirill A. Shutemov wrote:
> > +static int split_anon_huge_page(struct page *page)
> >  {
> >  	struct anon_vma *anon_vma;
> >  	int ret = 1;
> >  
> > -	BUG_ON(is_huge_zero_pfn(page_to_pfn(page)));
> > -	BUG_ON(!PageAnon(page));
> 
> Did you really mean to kill these BUG_ON()s?  They still look relevant
> to me.

The zero page BUG_ON() is moved to new split_huge_page().
!PageAnon(page) we now can handle.

Note: nobody should call split_anon_huge_page() directly, only
split_huge_page().

-- 
 Kirill A. Shutemov
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