RE: [RFC] mm:add KPF_ZERO_PAGE flag for /proc/kpageflags

From: Wang, Yalin
Date: Fri Dec 05 2014 - 05:22:46 EST


> -----Original Message-----
> From: Konstantin Khlebnikov [mailto:koct9i@xxxxxxxxx]
> Sent: Friday, December 05, 2014 5:21 PM
> To: Wang, Yalin
> Cc: linux-kernel@xxxxxxxxxxxxxxx; linux-mm@xxxxxxxxx; linux-arm-
> kernel@xxxxxxxxxxxxxxxxxxx; akpm@xxxxxxxxxxxxxxxxxxxx; n-
> horiguchi@xxxxxxxxxxxxx
> 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@xxxxxxxxxxxxxx>
> 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.
N‹§²æ¸›yú²X¬¶ÇvØ–)Þ{.nlj·¥Š{±‘êX§¶›¡Ü}©ž²ÆzÚj:+v‰¨¾«‘êZ+€Êzf£¢·hšˆ§~†­†Ûÿû®w¥¢¸?™¨è&¢)ßf”ùy§m…á«a¶Úÿ 0¶ìå