Messages in this thread | | | Date | Fri, 12 Dec 2014 13:10:09 +0200 | From | "Kirill A. Shutemov" <> | Subject | Re: [RFC] mm:fix zero_page huge_zero_page rss/pss statistic |
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On Fri, Dec 12, 2014 at 09:59:15AM +0800, Wang, Yalin wrote: > > -----Original Message----- > > From: Kirill A. Shutemov [mailto:kirill@shutemov.name] > > Sent: Wednesday, December 10, 2014 7:06 PM > > To: Wang, Yalin > > Cc: 'Andrew Morton'; 'Konstantin Khlebnikov'; 'linux- > > kernel@vger.kernel.org'; 'linux-mm@kvack.org'; 'linux-arm- > > kernel@lists.infradead.org'; 'n-horiguchi@ah.jp.nec.com'; 'oleg@redhat.com'; > > 'gorcunov@openvz.org'; 'pfeiner@google.com' > > Subject: Re: [RFC] mm:fix zero_page huge_zero_page rss/pss statistic > > > > On Wed, Dec 10, 2014 at 03:22:21PM +0800, Wang, Yalin wrote: > > > smaps_pte_entry() doesn't ignore zero_huge_page, but it ignore > > > zero_page, because vm_normal_page() will ignore it. We remove > > > vm_normal_page() call, because walk_page_range() have ignore VM_PFNMAP > > > vma maps, it's safe to just use pfn_valid(), so that we can also > > > consider zero_page to be a valid page. > > > > We fixed huge zero page accounting in smaps recentely. See mm tree. > > > Hi > I can't find the git, could you send me a link?
http://git.cmpxchg.org/cgit.cgi/linux-mmotm.git/
or just take linux-next.
The fix is already in Linus' tree.
-- Kirill A. Shutemov
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