Re: [PATCH v5 00/19] selftests/mm: improve khugepaged coverage

[Kiryl Shutsemau]

On Tue, Sep 08, 2026 at 12:41:02PM -0700, Andrew Morton wrote:
> On Tue,  8 Sep 2026 13:50:46 +0100 Kiryl Shutsemau <kirill@xxxxxxxxxxxxx> wrote:
> 
> > khugepaged collapses to mTHP orders since 7.2, and 7.3 added three
> > selftest cases for it: the generic collapse cases run at one order named
> > by -c, with the result detected by counting folios of that order.
> > 
> > That leaves the collapse path largely untested.  The suite does not run
> > where a PMD is 512M.  A folio count cannot say where a collapse landed.
> > Fixed sleeps cannot tell "not collapsed" from "not scanned yet".  And
> > nothing exercises collapse under contention.
> > 
> > Close those gaps in order:
> 
> Added to mm-new, thanks.

Thanks!

> Sashiko asked a few things:
> 
> 	https://sashiko.dev/#/patchset/20260908125105.1510704-1-kirill@xxxxxxxxxxxxx

I've replied with fixups to the affected patches.

Let me know if you would like a respin or the fixes in any other form.

-- 
  Kiryl Shutsemau / Kirill A. Shutemov