Messages in this thread | | | Date | Fri, 15 Mar 2013 21:35:49 +0800 | Subject | Re: [PATCHv2, RFC 19/30] thp, mm: split huge page on mmap file page | From | Hillf Danton <> |
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On Fri, Mar 15, 2013 at 9:29 PM, Kirill A. Shutemov <kirill.shutemov@linux.intel.com> wrote: > Hillf Danton wrote: >> On Fri, Mar 15, 2013 at 1:50 AM, Kirill A. Shutemov >> <kirill.shutemov@linux.intel.com> wrote: >> > >> > We are not ready to mmap file-backed tranparent huge pages. >> > >> It is not on todo list either. > > Actually, following patches implement mmap for file-backed thp and this > split_huge_page() will catch only fallback cases. > I wonder if the effort we pay for THP cache is nuked by mmap.
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