linux-kernel - Re: [PATCH 04/18] [PATCH] BLOCK: Separate the bounce buffering code from the highmem code [try #4]

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Message-ID: <22040.1156537104@warthog.cambridge.redhat.com>
Date:	Fri, 25 Aug 2006 21:18:24 +0100
From:	David Howells <dhowells@...hat.com>
To:	Sam Ravnborg <sam@...nborg.org>
Cc:	David Howells <dhowells@...hat.com>, axboe@...nel.dk,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 04/18] [PATCH] BLOCK: Separate the bounce buffering code from the highmem code [try #4] 

Sam Ravnborg <sam@...nborg.org> wrote:

> > +ifeq ($(CONFIG_MMU),y)
> > +obj-y			+= bounce.o
> > +endif
> 
> CONFIG_MMU is a bool so you can do this much more elegant:
> obj-$(CONFIG_MMU) += bounce.o

In patch 18/18, this changes to:

	ifeq ($(CONFIG_MMU)$(CONFIG_BLOCK),yy)

So the elegence in the end is irrelevant.

David
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