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SubjectRe: [PATCH v3 0/4] Split page_type out from mapcount
On Wed, Feb 28, 2018 at 03:22:49PM -0800, Randy Dunlap wrote:
> On 02/28/2018 02:31 PM, Matthew Wilcox wrote:
> > From: Matthew Wilcox <mawilcox@microsoft.com>
> >
> > I want to use the _mapcount field to record what a page is in use as.
> > This can help with debugging and we can also expose that information to
> > userspace through /proc/kpageflags to help diagnose memory usage (not
> > included as part of this patch set).
>
> Hey,
>
> Will there be updates to tools/vm/ also, or are these a different set of
> (many) flags?

Those KPF flags are the ones I was talking about. I haven't looked into
what it takes to assign those flags yet.

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