linux-kernel - Re: [PATCH 1/2] mm,hugetlb: make unmap_ref

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Message-ID: <alpine.DEB.2.02.1407011508570.4004@chino.kir.corp.google.com>
Date:	Tue, 1 Jul 2014 15:09:12 -0700 (PDT)
From:	David Rientjes <rientjes@...gle.com>
To:	Davidlohr Bueso <davidlohr@...com>
cc:	akpm@...ux-foundation.org, aswin@...com, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] mm,hugetlb: make unmap_ref_private() return void

On Tue, 1 Jul 2014, Davidlohr Bueso wrote:

> This function always returns 1, thus no need to check return value
> in hugetlb_cow(). By doing so, we can get rid of the unnecessary WARN_ON
> call. While this logic perhaps existed as a way of identifying future
> unmap_ref_private() mishandling, reality is it serves no apparent purpose.
> 
> Signed-off-by: Davidlohr Bueso <davidlohr@...com>

Acked-by: David Rientjes <rientjes@...gle.com>
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