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

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Message-ID: <87twhcvw4q.fsf@skywalker.in.ibm.com>
Date:	Thu, 02 Jun 2016 13:51:41 +0530
From:	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
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

Andrew Morton <akpm@...ux-foundation.org> writes:

> 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?

Yes. I will send an updated version of the series. Patch 4 may need to go through
powerpc tree because of other dependent patches. I will continue to include
that in the series to show the arch related changes.
 
-aneesh