linux-kernel - Re: [PATCHv2, RFC 16/30] thp: handle file pages in split_huge

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Date:	Fri, 22 Mar 2013 11:18:05 -0700
From:	Dave <dave@...1.net>
To:	"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
CC:	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>,
	Hillf Danton <dhillf@...il.com>, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCHv2, RFC 16/30] thp: handle file pages in split_huge_page()

On 03/14/2013 10:50 AM, Kirill A. Shutemov wrote:
> +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));

Did you really mean to kill these BUG_ON()s?  They still look relevant
to me.


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