From: Zlatko Calusic <zlatko@iskon.hr>
To: Linus Torvalds <torvalds@transmeta.com>
Cc: Marcelo Tosatti <marcelo@conectiva.com.br>, linux-mm@kvack.org
Subject: Re: pre2 swap_out() changes
Date: 12 Jan 2001 12:35:32 +0100 [thread overview]
Message-ID: <87itnlovej.fsf@atlas.iskon.hr> (raw)
In-Reply-To: Linus Torvalds's message of "Thu, 11 Jan 2001 10:49:10 -0800 (PST)"
Linus Torvalds <torvalds@transmeta.com> writes:
> On Thu, 11 Jan 2001, Marcelo Tosatti wrote:
> >
> > Since no process calls swap_out() directly, I dont see any sense on the
> > comment above.
>
> Stage #2 is to allow them to call refill_inactive() in the low-memory case
> (right now processes can only do "page_launder()" in alloc_pages(), and I
> think that is wrong - it means that the only one scanning page tables etc
> is kswapd)
>
Performance of 2.4.0-pre2 is terrible as it is now. There is a big
performance drop from 2.4.0. Simple test (that is not excessively
swapping, I remind) shows this:
2.2.17 -> make -j32 392.49s user 47.87s system 168% cpu 4:21.13 total
2.4.0 -> make -j32 389.59s user 31.29s system 182% cpu 3:50.24 total
2.4.0-pre2 -> make -j32 393.32s user 138.20s system 129% cpu 6:51.82 total
--
Zlatko
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next prev parent reply other threads:[~2001-01-12 11:35 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-01-11 10:38 pre2 swap_out() changes Marcelo Tosatti
2001-01-11 18:49 ` Linus Torvalds
2001-01-12 11:35 ` Zlatko Calusic [this message]
2001-01-12 19:45 ` Linus Torvalds
2001-01-12 19:22 ` Marcelo Tosatti
2001-01-13 0:23 ` Linus Torvalds
2001-01-12 22:41 ` Marcelo Tosatti
2001-01-13 0:45 ` Linus Torvalds
2001-01-17 7:05 ` Rik van Riel
2001-01-18 11:54 ` Rik van Riel
2001-01-13 11:41 ` Zlatko Calusic
2001-01-17 7:08 ` Rik van Riel
2001-01-13 11:51 ` Zlatko Calusic
2001-01-14 2:39 ` Marcelo Tosatti
2001-01-14 4:36 ` Linus Torvalds
2001-01-14 3:50 ` Marcelo Tosatti
2001-01-14 15:51 ` Ed Tomlinson
2001-01-14 14:13 ` Marcelo Tosatti
2001-01-14 16:15 ` Zlatko Calusic
2001-01-14 17:22 ` Zlatko Calusic
2001-01-17 7:16 ` Rik van Riel
2001-01-17 7:15 ` Rik van Riel
2001-01-17 7:12 ` Rik van Riel
-- strict thread matches above, loose matches on Subject: below --
2001-01-11 20:52 Benjamin Redelings I
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