Messages in this thread | | | Date | Fri, 5 Dec 2014 14:31:34 -0800 | From | Andrew Morton <> | Subject | Re: [RFC] mm:add KPF_ZERO_PAGE flag for /proc/kpageflags |
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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.
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