linux-kernel - Re: transparent huge pages breaks KVM on AMD.

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Message-ID: <20160513080745.GA17715@pd.tnic>
Date:	Fri, 13 May 2016 10:07:45 +0200
From:	Borislav Petkov <bp@...en8.de>
To:	Marc Haber <mh+linux-kernel@...schlus.de>
Cc:	"Kirill A. Shutemov" <kirill@...temov.name>,
	"Dr. David Alan Gilbert" <dave@...blig.org>,
	Paolo Bonzini <pbonzini@...hat.com>,
	linux-kernel@...r.kernel.org, kvm ML <kvm@...r.kernel.org>,
	Andrea Arcangeli <aarcange@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: transparent huge pages breaks KVM on AMD.

On Fri, May 13, 2016 at 07:23:34AM +0200, Marc Haber wrote:
> How do I apply this?

I'm attaching it.

$ patch -p1 --dry-run -i /tmp/01-mm-thp-calculate_the_mapcount_correctly_for_thp_pages_during_wp_faults.patch
checking file include/linux/mm.h
checking file include/linux/swap.h
checking file mm/huge_memory.c
checking file mm/memory.c
checking file mm/swapfile.c
$ patch -p1 -i /tmp/01-mm-thp-calculate_the_mapcount_correctly_for_thp_pages_during_wp_faults.patch
patching file include/linux/mm.h
patching file include/linux/swap.h
patching file mm/huge_memory.c
patching file mm/memory.c
patching file mm/swapfile.c

The --dry-run is to check whether it applies first.

That's on 4.6-rc7+ here.

HTH.

-- 
Regards/Gruss,
    Boris.

ECO tip #101: Trim your mails when you reply.

View attachment "01-mm-thp-calculate_the_mapcount_correctly_for_thp_pages_during_wp_faults.patch" of type "text/x-diff" (11896 bytes)