Messages in this thread | | | Date | Wed, 4 Jan 2012 15:55:16 -0800 | From | Andrew Morton <> | Subject | Re: [PATCH 3/4] pagemap: export KPF_THP |
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On Wed, 21 Dec 2011 17:23:47 -0500 Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> wrote:
> This flag shows that a given pages is a subpage of transparent hugepage. > It helps us debug and test kernel by showing physical address of thp. > > ... > > --- 3.2-rc5.orig/include/linux/kernel-page-flags.h > +++ 3.2-rc5/include/linux/kernel-page-flags.h > @@ -30,6 +30,7 @@ > #define KPF_NOPAGE 20 > > #define KPF_KSM 21 > +#define KPF_THP 22 >
Please also update and test Documentation/vm/page-types.c.
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