linux-kernel - Re: [PATCH] mm: honor FOLL_GET flag in follow_hugetlb

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Date:	Wed, 8 May 2013 19:41:48 -0400
From:	KOSAKI Motohiro <kosaki.motohiro@...il.com>
To:	Jerome Glisse <j.glisse@...il.com>
Cc:	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Jerome Glisse <jglisse@...hat.com>
Subject: Re: [PATCH] mm: honor FOLL_GET flag in follow_hugetlb_page v2

>> Why? The following bug_on inhibit both case.
>
> Yes i get lost on the double negation, but still my patch is correct
> and i am not using gup but follow_hugetlb_page directly and i run into
> the issue. My patch does not change the behavior for current user,
> just fix assumption new user might have when not setting the FOLL_GET
> flags.

I have no idea. I haven't seen your new use case.
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