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From: Andrew Morton <akpm@linux-foundation.org>
To: "Wang, Yalin" <Yalin.Wang@sonymobile.com>
Cc: "'Konstantin Khlebnikov'" <koct9i@gmail.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"n-horiguchi@ah.jp.nec.com" <n-horiguchi@ah.jp.nec.com>
Subject: Re: [RFC] mm:add KPF_ZERO_PAGE flag for /proc/kpageflags
Date: Fri, 5 Dec 2014 14:31:34 -0800 [thread overview]
Message-ID: <20141205143134.37139da2208c654a0d3cd942@linux-foundation.org> (raw)
In-Reply-To: <35FD53F367049845BC99AC72306C23D103E688B313F2@CNBJMBX05.corpusers.net>
On Fri, 5 Dec 2014 18:22:33 +0800 "Wang, Yalin" <Yalin.Wang@sonymobile.com> wrote:
> > -----Original Message-----
> > From: Konstantin Khlebnikov [mailto:koct9i@gmail.com]
> > Sent: Friday, December 05, 2014 5:21 PM
> > To: Wang, Yalin
> > Cc: linux-kernel@vger.kernel.org; linux-mm@kvack.org; linux-arm-
> > kernel@lists.infradead.org; akpm@linux-foundation.org; n-
> > horiguchi@ah.jp.nec.com
> > Subject: Re: [RFC] mm:add KPF_ZERO_PAGE flag for /proc/kpageflags
> >
> > On Fri, Dec 5, 2014 at 11:57 AM, Wang, Yalin <Yalin.Wang@sonymobile.com>
> > wrote:
> > > This patch add KPF_ZERO_PAGE flag for zero_page, so that userspace
> > > process can notice zero_page from /proc/kpageflags, and then do memory
> > > analysis more accurately.
> >
> > It would be nice to mark also huge_zero_page. See (completely
> > untested) patch in attachment.
> >
> Got it,
> Thanks for your patch.
Documentation/vm/pagemap.txt will need updating please.
next prev parent reply other threads:[~2014-12-05 22:31 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-05 8:57 Wang, Yalin
2014-12-05 9:20 ` Konstantin Khlebnikov
2014-12-05 10:22 ` Wang, Yalin
2014-12-05 22:31 ` Andrew Morton [this message]
2014-12-08 2:00 ` [RFC V4] " Wang, Yalin
2014-12-08 11:46 ` Kirill A. Shutemov
2014-12-09 3:24 ` [RFC V5] " Wang, Yalin
2014-12-10 7:22 ` [RFC] mm:fix zero_page huge_zero_page rss/pss statistic Wang, Yalin
2014-12-10 11:05 ` Kirill A. Shutemov
2014-12-12 1:59 ` 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
2014-12-12 3:30 ` [RFC] discard task stack pages instead of pageout into swap partition Wang, Yalin
2014-12-18 3:50 ` [RFC] MADV_FREE doesn't work when doesn't have " Wang, Yalin
2014-12-19 1:04 ` Minchan Kim
2014-12-19 6:54 ` Wang, Yalin
2014-12-22 10:30 ` Konstantin Khlebnikov
2014-12-26 11:56 ` [RFC] mm:change meminfo cached calculation Wang, Yalin
2015-01-07 0:43 ` 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
2014-12-05 10:21 ` [RFC V2] mm:add KPF_ZERO_PAGE flag for /proc/kpageflags Wang, Yalin
2014-12-05 11:05 ` Kirill A. Shutemov
2014-12-08 1:51 ` [RFC V3] " Wang, Yalin
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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