linux-kernel - Re: [RFC PATCH 1/4] mm/hugetlb: Simplify hugetlb unmap

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Message-Id: <20160601153442.229f0747c97d1bbf21f1a935@linux-foundation.org>
Date:	Wed, 1 Jun 2016 15:34:42 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>
Cc:	linux-arch@...r.kernel.org, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH 1/4] mm/hugetlb: Simplify hugetlb unmap

On Mon, 30 May 2016 11:14:19 +0530 "Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com> wrote:

> For hugetlb like THP (and unlike regular page), we do tlb flush after
> dropping ptl. Because of the above, we don't need to track force_flush
> like we do now. Instead we can simply call tlb_remove_page() which
> will do the flush if needed.
> 
> No functionality change in this patch.

This all looks fairly non-horrifying.  Will a non-RFC version be
forthcoming?