linux-kernel - Re: do_generic_mapping

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Message-ID: <Pine.GSO.4.64.0703131438580.8193@cpu102.cs.uwaterloo.ca>
Date:	Tue, 13 Mar 2007 14:43:47 -0400 (EDT)
From:	Ashif Harji <asharji@...uwaterloo.ca>
To:	Jan Kara <jack@...e.cz>
cc:	Nick Piggin <npiggin@...e.de>, linux-kernel@...r.kernel.org
Subject: Re: do_generic_mapping_read performance issue

>> I would like to submit a patch to fix the performance problem.  The
>> simplest solution is to remove the check.  Even in the situation where an
>> application does not read in PAGE_SIZE multiples as described above, if
>> the page is accessed frequently it should remain in the cache.  However, I
>> am open to suggestions for a more sophisticated scheme.
>
>  Well, yes, that's an obvious solution. I just wanted to make sure that
> such change won't break some other load. But so far it seems it won't...

I would like to find out if the change I am suggesting will cause any 
other problems.  Is there someone else I should contact before submitting 
a patch?  Or should I just wait another day or two for comments?

ashif.
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