Re: [PATCH v2] sparc64: Fix gup_huge_pmd

From	David Miller <davem@davemloft.net>
Newsgroups	linux.kernel
Subject	Re: [PATCH v2] sparc64: Fix gup_huge_pmd
Date	2017-06-25 21:30 +0200
Message-ID	<tWlom-Ea-13@gated-at.bofh.it> (permalink)
References	<tVkul-3lB-5@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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From: Nitin Gupta <nitin.m.gupta@oracle.com>
Date: Thu, 22 Jun 2017 17:15:08 -0700

> The function assumes that each PMD points to head of a
> huge page. This is not correct as a PMD can point to
> start of any 8M region with a, say 256M, hugepage. The
> fix ensures that it points to the correct head of any PMD
> huge page.
> 
> Cc: Julian Calaby <julian.calaby@gmail.com>
> Signed-off-by: Nitin Gupta <nitin.m.gupta@oracle.com>
> ---
>  Changes since v1
>  - Clarify use of 'head' variable (Julian Calaby)

Applied and queued up for -stable, thanks.

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[PATCH v2] sparc64: Fix gup_huge_pmd Nitin Gupta <nitin.m.gupta@oracle.com> - 2017-06-23 02:20 +0200
  Re: [PATCH v2] sparc64: Fix gup_huge_pmd David Miller <davem@davemloft.net> - 2017-06-25 21:30 +0200

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