From: Christoph Hellwig <hch@infradead.org>
To: Andrea Arcangeli <andrea@suse.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: 2.4.19pre5aa1 and splitted vm-33
Date: Sat, 6 Apr 2002 17:07:03 +0100 [thread overview]
Message-ID: <20020406170703.A32084@infradead.org> (raw)
In-Reply-To: <20020331164815.A1331@dualathlon.random>
> Only in 2.4.19pre5aa1: 20_kiobuf-slab-2
>
> Other patch from Chuck Lever to allocate the whole kiobuf from slab,
> using pointer to arrays, to have small structures not larger
> than one page (that would otherwise become sensitive to
> physical ram page granular fragmentation). While auditing and
> merging the patch I also did various small fixes, so please rely
> on this patch as a final version, because the original one had a few
> bugs/leftovers.
What is the reason for adding kio_ prefixes to the 'blocks' and 'bh' members
of struct kiobuf? - These fields haven't any new semantics at all, but that
change increases the delta dramatically.
> Merged various fixes, in particular delayed writes should now be
> really flushed by the VM, previously the fact the vm holds
> the page lock was forbidding that. New logic is much cleaner too.
Do you plan to submit the XFS delalloc changes back to SGI?
Christoph
next prev parent reply other threads:[~2002-04-06 16:07 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-03-31 14:48 Andrea Arcangeli
2002-03-31 18:10 ` Christoph Hellwig
2002-03-31 18:38 ` Andrea Arcangeli
2002-03-31 19:00 ` Christoph Hellwig
2002-04-01 0:04 ` Andrea Arcangeli
2002-04-06 16:07 ` Christoph Hellwig [this message]
2002-04-16 14:47 ` Andrea Arcangeli
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