From: kirill@shutemov.name (Kirill A. Shutemov)
To: linux-arm-kernel@lists.infradead.org
Subject: [RFC] mm:fix zero_page huge_zero_page rss/pss statistic
Date: Wed, 10 Dec 2014 13:05:56 +0200 [thread overview]
Message-ID: <20141210110556.GA10630@node.dhcp.inet.fi> (raw)
In-Reply-To: <35FD53F367049845BC99AC72306C23D103E688B31403@CNBJMBX05.corpusers.net>
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.
--
Kirill A. Shutemov
next prev parent reply other threads:[~2014-12-10 11:05 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-05 8:57 [RFC] mm:add KPF_ZERO_PAGE flag for /proc/kpageflags Wang, Yalin
2014-12-05 9:20 ` Konstantin Khlebnikov
2014-12-05 10:22 ` Wang, Yalin
2014-12-05 22:31 ` Andrew Morton
[not found] ` <35FD53F367049845BC99AC72306C23D103E688B313F4@CNBJMBX05.corpusers.net>
2014-12-08 11:46 ` [RFC V4] " Kirill A. Shutemov
[not found] ` <35FD53F367049845BC99AC72306C23D103E688B313FB@CNBJMBX05.corpusers.net>
[not found] ` <35FD53F367049845BC99AC72306C23D103E688B31403@CNBJMBX05.corpusers.net>
2014-12-10 11:05 ` Kirill A. Shutemov [this message]
2014-12-12 1:59 ` [RFC] mm:fix zero_page huge_zero_page rss/pss statistic Wang, Yalin
2014-12-12 11:10 ` Kirill A. Shutemov
2014-12-10 17:06 ` [RFC V5] mm:add KPF_ZERO_PAGE flag for /proc/kpageflags Konstantin Khlebnikov
[not found] ` <35FD53F367049845BC99AC72306C23D103E688B31408@CNBJMBX05.corpusers.net>
[not found] ` <35FD53F367049845BC99AC72306C23D103EDAF89E14C@CNBJMBX05.corpusers.net>
2014-12-19 1:04 ` [RFC] MADV_FREE doesn't work when doesn't have swap partition Minchan Kim
2014-12-19 6:54 ` Wang, Yalin
2014-12-22 10:30 ` Konstantin Khlebnikov
[not found] ` <35FD53F367049845BC99AC72306C23D103EDAF89E160@CNBJMBX05.corpusers.net>
2015-01-07 0:43 ` [RFC] mm:change meminfo cached calculation Andrew Morton
2015-01-07 1:04 ` Hugh Dickins
2015-01-07 1:25 ` Andrew Morton
2015-01-07 2:03 ` Hugh Dickins
2015-01-11 8:23 ` Konstantin Khlebnikov
[not found] ` <35FD53F367049845BC99AC72306C23D103E688B313F1@CNBJMBX05.corpusers.net>
2014-12-05 11:05 ` [RFC V2] mm:add KPF_ZERO_PAGE flag for /proc/kpageflags Kirill A. Shutemov
2014-12-08 7:47 ` [PATCH] mm:add VM_BUG_ON() for page_mapcount() Wang, Yalin
2014-12-08 11:50 ` Kirill A. Shutemov
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