From: Cyrill Gorcunov <gorcunov@gmail.com>
To: "Kirill A. Shutemov" <kirill@shutemov.name>
Cc: Dave Hansen <dave.hansen@linux.intel.com>,
"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
Andrew Morton <akpm@linux-foundation.org>,
Hugh Dickins <hughd@google.com>,
linux-mm@kvack.org, Pavel Emelyanov <xemul@openvz.org>,
linux-kernel@vger.kernel.org,
Benjamin Herrenschmidt <benh@kernel.crashing.org>
Subject: Re: [PATCH 1/2] mm: rename mm->nr_ptes to mm->nr_pgtables
Date: Wed, 14 Jan 2015 17:48:43 +0300 [thread overview]
Message-ID: <20150114144843.GE2253@moon> (raw)
In-Reply-To: <20150114143358.GA9820@node.dhcp.inet.fi>
On Wed, Jan 14, 2015 at 04:33:58PM +0200, Kirill A. Shutemov wrote:
> >
> > It looks like this doesn't matter. The statistics here prints the size
> > of summary memory occupied for pte_t entries, here PTRS_PER_PTE * sizeof(pte_t)
> > is only valid for, once we start accounting pmd into same counter it implies
> > that PTRS_PER_PTE == PTRS_PER_PMD, which is not true for all archs
> > (if I understand the idea of accounting here right).
>
> Yeah. good catch. Thank you.
>
> I'll respin with separate counter for pmd tables. It seems the best
> option.
Sounds good to me, thanks.
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next prev parent reply other threads:[~2015-01-14 14:48 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-13 19:14 [PATCH 0/2] Account PMD page tables to the process Kirill A. Shutemov
2015-01-13 19:14 ` [PATCH 1/2] mm: rename mm->nr_ptes to mm->nr_pgtables Kirill A. Shutemov
2015-01-13 20:36 ` Dave Hansen
2015-01-13 20:41 ` Kirill A. Shutemov
2015-01-13 21:35 ` Dave Hansen
2015-01-13 21:43 ` Cyrill Gorcunov
2015-01-13 21:49 ` Dave Hansen
2015-01-14 9:45 ` Cyrill Gorcunov
2015-01-14 14:33 ` Kirill A. Shutemov
2015-01-14 14:48 ` Cyrill Gorcunov [this message]
2015-01-13 19:14 ` [PATCH 2/2] mm: account pmd page tables to the process Kirill A. Shutemov
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