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

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Message-ID: <20080318164550.GF11966@one.firstfloor.org>
Date:	Tue, 18 Mar 2008 17:45:50 +0100
From:	Andi Kleen <andi@...stfloor.org>
To:	Mel Gorman <mel@....ul.ie>
Cc:	Andi Kleen <andi@...stfloor.org>, 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=...

> 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.

-Andi
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