From: Andrea Arcangeli <andrea@suse.de>
To: Rik van Riel <riel@conectiva.com.br>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>,
Linus Torvalds <torvalds@transmeta.com>,
linux-mm@kvack.org, los@lsdb.bwl.uni-mannheim.de
Subject: Re: [PATCH] -ac21 don't set referenced bit
Date: Mon, 19 Jun 2000 18:22:21 +0200 (CEST) [thread overview]
Message-ID: <Pine.LNX.4.21.0006191819560.5562-100000@inspiron.random> (raw)
In-Reply-To: <Pine.LNX.4.21.0006191231300.13200-100000@duckman.distro.conectiva>
On Mon, 19 Jun 2000, Rik van Riel wrote:
>the patch below, against -ac21, does two things:
>
>1) do not set the referenced bit when we add a page to
> one of the caches ... this allows us to distinguish
Glad to see you agreed with that. You forgot the buffer cache, hint from:
ftp://ftp.*.kernel.org/pub/linux/kernel/people/andrea/patches/v2.4/2.4.0-test1-ac21/classzone-32.gz
@@ -2338,7 +2362,8 @@
spin_unlock(&free_list[isize].lock);
page->buffers = bh;
- lru_cache_add(page);
+ page->flags &= ~(1 << PG_referenced);
+ lru_cache_add(page, LRU_NORMAL_CACHE);
atomic_inc(&buffermem_pages);
return 1;
Andrea
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next prev parent reply other threads:[~2000-06-19 16:22 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-06-19 15:36 Rik van Riel
2000-06-19 16:22 ` Andrea Arcangeli [this message]
2000-06-19 17:00 ` Rik van Riel
2000-06-19 17:10 ` Andrea Arcangeli
2000-06-19 17:51 ` Rik van Riel
2000-06-19 18:06 ` Andrea Arcangeli
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