linux-kernel - Re: avoiding duplicate icache flushing of shared maps on nommu

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Message-ID: <31779.1259797911@redhat.com>
Date:	Wed, 02 Dec 2009 23:51:51 +0000
From:	David Howells <dhowells@...hat.com>
To:	Mike Frysinger <vapier.adi@...il.com>
Cc:	dhowells@...hat.com, Paul Mundt <lethal@...ux-sh.org>,
	Bernd Schmidt <bernds_cb1@...nline.de>,
	Jie Zhang <jie.zhang@...log.com>,
	Linux kernel mailing list <linux-kernel@...r.kernel.org>,
	uclinux-dist-devel <uclinux-dist-devel@...ckfin.uclinux.org>
Subject: Re: avoiding duplicate icache flushing of shared maps on nommu

Mike Frysinger <vapier.adi@...il.com> wrote:

> it works, but i think we want to put the vm_icache_flushed in
> linux/mm_types.h behind NOMMU so we dont bloat the MMU guys ?

No.  The vm_region struct just isn't used in MMU-mode.

David
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