linux-kernel - Re: [Xen-devel] Re: [patch 12/21] Xen-paravirt: Allocate and free vmalloc areas

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Message-ID: <45D64141.90307@goop.org>
Date:	Fri, 16 Feb 2007 15:41:53 -0800
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Keir Fraser <Keir.Fraser@...cam.ac.uk>
CC:	Keir Fraser <keir@...source.com>,
	Ian Pratt <ian.pratt@...source.com>,
	xen-devel@...ts.xensource.com, Chris Wright <chrisw@...s-sol.org>,
	virtualization@...ts.osdl.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, Jan Beulich <JBeulich@...ell.com>,
	Andi Kleen <ak@....de>
Subject: Re: [Xen-devel] Re: [patch 12/21] Xen-paravirt: Allocate and free
 vmalloc areas

Keir Fraser wrote:
> It has no other users right now and get_vm_area_sync() would be a
> better-named and more generically useful function than alloc_vm_area().
I'm thinking "reserve" might be a better term; "get" generally has the
suggestion of a refcount.

> get_vm_area_sync(), partnered with existing remove_vm_area(), just seems
> much smaller and neater than adding four new functions with a more complex
> usage: alloc_vm_area, {lock,unlock}_vm_area, and free_vm_area. Maybe keeping
> free_vm_area() too makes sense as its interface is more neatly symmetrical
> to that of get_vm_area().

I've already killed the lock/unlock functions.  I'll come up with
something for the get/allocate/reserve and free functions.

    J
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