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Re: pagebuf_prepare_write doesn't kmap the page

To: Steve Lord <lord@xxxxxxx>
Subject: Re: pagebuf_prepare_write doesn't kmap the page
From: Marcelo Tosatti <marcelo@xxxxxxxxxxxxxxxx>
Date: Wed, 31 Jan 2001 12:34:46 -0200 (BRST)
Cc: David Wragg <dpw@xxxxxxxxxxxx>, linux-xfs@xxxxxxxxxxx
In-reply-to: <200101311535.f0VFZf324681@xxxxxxxxxxxxxxxxxxxx>
Sender: owner-linux-xfs@xxxxxxxxxxx
On Wed, 31 Jan 2001, Steve Lord wrote:

> 
> OK, I see what is going on here - and I think this could actually
> break regular XFS as well - if you use the loop device on a highmem
> machine. I will fix it in my 2.4.1 merge which should be out in cvs
> in a day or two. 2.4.1 is running with XFS, but I am not happy with
> what the kernel changes have done to performance.

Steve, 

Could you please describe what performance problems are going on? 



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