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Message-Id: <20130315132656.BC518E0085@blue.fi.intel.com>
Date: Fri, 15 Mar 2013 15:26:56 +0200 (EET)
From: "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
To: Hillf Danton <dhillf@...il.com>
Cc: "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
Andrea Arcangeli <aarcange@...hat.com>,
Andrew Morton <akpm@...ux-foundation.org>,
Al Viro <viro@...iv.linux.org.uk>,
Hugh Dickins <hughd@...gle.com>,
Wu Fengguang <fengguang.wu@...el.com>, Jan Kara <jack@...e.cz>,
Mel Gorman <mgorman@...e.de>, linux-mm@...ck.org,
Andi Kleen <ak@...ux.intel.com>,
Matthew Wilcox <matthew.r.wilcox@...el.com>,
"Kirill A. Shutemov" <kirill@...temov.name>,
linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCHv2, RFC 16/30] thp: handle file pages in split_huge_page()
Hillf Danton wrote:
> On Fri, Mar 15, 2013 at 1:50 AM, Kirill A. Shutemov
> <kirill.shutemov@...ux.intel.com> wrote:
> > -int split_huge_page(struct page *page)
> > +static int split_anon_huge_page(struct page *page)
> > {
> > struct anon_vma *anon_vma;
> > int ret = 1;
> >
> > - BUG_ON(is_huge_zero_pfn(page_to_pfn(page)));
> > - BUG_ON(!PageAnon(page));
> > -
> deleted, why?
split_anon_huge_page() should only be called from split_huge_page().
Probably I could bring it back, but it's kinda redundant.
--
Kirill A. Shutemov
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