linux-kernel - Re: [PATCH] mm: do not call do_fault

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Date:	Tue, 15 Jul 2014 17:29:06 +0200
From:	"Ingo Korb" <ingo.korb@...dortmund.de>
To:	"Konstantin Khlebnikov" <k.khlebnikov@...sung.com>
Cc:	linux-mm@...ck.org, "Hugh Dickins" <hughd@...gle.com>,
	linux-kernel@...r.kernel.org,
	"Sasha Levin" <sasha.levin@...cle.com>,
	"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
	"Dave Jones" <davej@...hat.com>,
	"Andrew Morton" <akpm@...ux-foundation.org>,
	"Ning Qu" <quning@...gle.com>,
	"Konstantin Khlebnikov" <koct9i@...il.com>
Subject: Re: [PATCH] mm: do not call do_fault_around for non-linear fault

> Faulting around non-linear page-fault has no sense and
> breaks logic in do_fault_around because pgoff is shifted.

I can confirm that this patches fixes the bug here not just for the test
program but also the application where I originally noticed it.

-ik


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