linux-kernel - Re: fuse, get_user_pages, flush_anon_page, aliasing caches and all that again

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Message-Id: <20061231.020446.39159713.davem@davemloft.net>
Date:	Sun, 31 Dec 2006 02:04:46 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	rmk+lkml@....linux.org.uk
Cc:	arjan@...radead.org, torvalds@...l.org, miklos@...redi.hu,
	linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
	akpm@...l.org
Subject: Re: fuse, get_user_pages, flush_anon_page, aliasing caches and all
 that again

From: Russell King <rmk+lkml@....linux.org.uk>
Date: Sun, 31 Dec 2006 10:00:07 +0000

> I'm willing to do that - and I guess this means we can probably do this
> instead of walking the list of VMAs for the shared mapping, thereby
> hitting both anonymous and shared mappings with the same code?

That's pretty much the idea.

BTW, I was in a similar boat as you on sparc 32-bit in the
pre-RMAP days, I was able to walk the VMA's for stuff
with a mapping but couldn't handle anonymous stuff very
well.
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