From: Rik van Riel <riel@redhat.com>
To: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
akpm@linux-foundation.org
Cc: walken@google.com, aarcange@redhat.com, linux-mm@kvack.org
Subject: Re: [PATCH] mremap: take anon_vma lock in shared mode
Date: Tue, 28 Oct 2014 11:24:07 -0400 [thread overview]
Message-ID: <544FB517.9090407@redhat.com> (raw)
In-Reply-To: <1414507237-114852-1-git-send-email-kirill.shutemov@linux.intel.com>
On 10/28/2014 10:40 AM, Kirill A. Shutemov wrote:
> There's no modification to anon_vma interval tree. We only need to
> serialize against exclusive rmap walker who want s to catch all ptes the
> page is mapped with. Shared lock is enough for that.
>
> Suggested-by: Davidlohr Bueso <dbueso@suse.de>
> Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Acked-by: Rik van Riel <riel@redhat.com>
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next prev parent reply other threads:[~2014-10-28 15:47 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-28 14:40 [PATCH] mremap: take anon_vma lock in shared mode Kirill A. Shutemov
2014-10-28 15:24 ` Rik van Riel [this message]
2014-11-04 6:08 ` Hugh Dickins
2014-11-04 12:30 ` Kirill A. Shutemov
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