Re: [PATCH 00/16] Refreshed page-flags patchset

From: Kirill A. Shutemov
Date: Thu Sep 24 2015 - 16:25:14 EST

On Thu, Sep 24, 2015 at 11:13:22AM -0500, Christoph Lameter wrote:
> On Thu, 24 Sep 2015, Kirill A. Shutemov wrote:
> > As requested, here's reworked version of page-flags patchset.
> > Updated version should fit more naturally into current code base.
> This is certainly great for specialized debugging hunting for improper
> handling of page flags for compound pages but a regular debug
> kernel will get a mass of VM_BUG_ON(s) at numerous page flag uses in the
> code. Is that really useful in general for a debug kernel?

As I said before, it was useful for me in few cases.

I can wrap these VM_BUG_ONs under separate config, if it helps.

Kirill A. Shutemov
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