From: Zlatko Calusic <Zlatko.Calusic@CARNet.hr>
To: Linus Torvalds <torvalds@transmeta.com>
Cc: Linux-MM List <linux-mm@kvack.org>,
Linux Kernel List <linux-kernel@vger.rutgers.edu>
Subject: Re: [PATCH] MM fix & improvement
Date: 09 Jan 1999 08:43:09 +0100 [thread overview]
Message-ID: <87iueg51te.fsf@atlas.CARNet.hr> (raw)
In-Reply-To: Zlatko Calusic's message of "09 Jan 1999 08:32:50 +0100"
Zlatko Calusic <Zlatko.Calusic@CARNet.hr> writes:
> 1) Til' now, writing to swap files & partitions was clustered
> in 128kb chunks which is too small, especially now when we have swapin
> readahead (default 64kb). Fragmentation of swap file with such a value
> is big, so swapin readahead hit rate is probably small. Thus first
> improvement is in increasing on-disk cluster size to much bigger
> value. I chose 512, and it works very well, indeed (see below). All
> this is completely safe.
>
Oops, in fact 256 is in patch. I used 512 in my preliminary
tests. But, either value will work well.
--
Zlatko
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next prev parent reply other threads:[~1999-01-09 7:43 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
1999-01-09 7:32 Zlatko Calusic
1999-01-09 7:43 ` Zlatko Calusic [this message]
1999-01-09 7:53 ` Linus Torvalds
1999-01-09 8:05 ` Zlatko Calusic
1999-01-11 5:05 ` Dax Kelson
1999-01-09 9:55 ` Stephen C. Tweedie
1999-01-10 14:45 ` David Weinehall
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