linux-kernel - Re: hugepage: Fix broken check for offset alignment in hugepage mappings

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Date:	Mon, 27 Aug 2007 08:05:40 +0200
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	David Gibson <david@...son.dropbear.id.au>
Cc:	Andrew Morton <akpm@...l.org>,
	William Lee Irwin <wli@...omorphy.com>,
	Hugh Dickins <hugh@...itas.com>, linux-kernel@...r.kernel.org
Subject: Re: hugepage: Fix broken check for offset alignment in hugepage
	mappings

On Mon, 2007-08-27 at 14:36 +1000, David Gibson wrote:
> This patch restores the check, removing it from
> prepare_hugepage_range() and putting it back into
> hugetlbfs_file_mmap().  I'm putting it there, rather than in the
> get_unmapped_area() path so it only needs to go in one place, than
> separately in the half-dozen or so arch-specific implementations of
> hugetlb_get_unmapped_area().

Yup, that's the right place to put it imho.

> Signed-off-by: David Gibson <david@...son.dropbear.id.au> 

Signed-off-by: Benjamin Herrenschmidt <benh@...nel.crashing.org>


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