From: jbarnes@sgi.com (Jesse Barnes)
To: linux-ia64@vger.kernel.org
Subject: Re: discontig patch question
Date: Mon, 10 Nov 2003 17:56:39 +0000 [thread overview]
Message-ID: <marc-linux-ia64-106848727429157@msgid-missing> (raw)
In-Reply-To: <marc-linux-ia64-106847971018555@msgid-missing>
On Mon, Nov 10, 2003 at 11:38:34AM -0600, Van Maren, Kevin wrote:
> > I wonder if that shouldn't be simply 1UL<<MAX_ORDER...
> > That's all that
> > mm/page_alloc.c seems to care about.
>
> But doesn't it deal with page-sized chunks?
Yeah, but 1UL<<MAX_ORDER will always be page aligned, right?
> It makes sense if all the memory chunks have to start on a "MAX_ORDER"
> boundary, but is that really the case? That's pretty restrictive, at least
> with such a large MAX_ORDER.
>
> Why is MAX_ORDER 19 on IA64?
For hugetlbfs, afaik. But it should only be 18 according to
arch/ia64/Kconfig.
Jesse
next prev parent reply other threads:[~2003-11-10 17:56 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-11-10 15:52 discontig patch question Van Maren, Kevin
2003-11-10 17:23 ` Jesse Barnes
2003-11-10 17:38 ` Van Maren, Kevin
2003-11-10 17:56 ` Jesse Barnes [this message]
2003-11-10 18:02 ` Seth, Rohit
2003-11-10 18:34 ` Van Maren, Kevin
2003-11-10 19:08 ` Jesse Barnes
2003-11-10 19:10 ` Jesse Barnes
2003-11-10 20:20 ` Seth, Rohit
2003-11-12 18:14 ` Van Maren, Kevin
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