linux-kernel - Re: [PATCH] [13/18] Add support to allocate hugepages of different size with hugepages=...

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Message-ID: <20080318164610.GO23866@csn.ul.ie>
Date:	Tue, 18 Mar 2008 16:46:10 +0000
From:	Mel Gorman <mel@....ul.ie>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	linux-kernel@...r.kernel.org, pj@....com, linux-mm@...ck.org,
	nickpiggin@...oo.com.au
Subject: Re: [PATCH] [13/18] Add support to allocate hugepages of different size with hugepages=...

On (18/03/08 17:45), Andi Kleen didst pronounce:
> > hmm, it's not very clear to me how hugetlb_init_hstate() would get
> > called twice for the same hstate. Should it be VM_BUG_ON() if a hstate
>
> It is called from a __setup function and the user can specify them multiple
> times.  Also when the user specified the HPAGE_SIZE already and it got set up
> it should not be called again.
> 

Ok, that is a fair explanation. Thanks.

-- 
Mel Gorman
Part-time Phd Student                          Linux Technology Center
University of Limerick                         IBM Dublin Software Lab
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