linux-kernel - Re: [PATCH] sparc64: Fix hugepage page table free

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Date:   Tue, 18 Apr 2017 16:11:50 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     nitin.m.gupta@...cle.com
Cc:     mike.kravetz@...cle.com, mingo@...nel.org,
        sparclinux@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] sparc64: Fix hugepage page table free

From: Nitin Gupta <nitin.m.gupta@...cle.com>
Date: Mon, 17 Apr 2017 15:46:41 -0700

> Make sure the start adderess is aligned to PMD_SIZE
> boundary when freeing page table backing a hugepage
> region. The issue was causing segfaults when a region
> backed by 64K pages was unmapped since such a region
> is in general not PMD_SIZE aligned.
> 
> Signed-off-by: Nitin Gupta <nitin.m.gupta@...cle.com>

Applied, thank you.