From: "David S. Miller" <davem@redhat.com>
To: David Howells <dhowells@redhat.com>
Cc: Rasmus Andersen <rasmus@jaquet.dk>,
Rik van Riel <riel@conectiva.com.br>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH] guard mm->rss with page_table_lock (241p11)
Date: Tue, 30 Jan 2001 00:39:24 -0800 (PST) [thread overview]
Message-ID: <14966.32188.408789.239466@pizda.ninka.net> (raw)
In-Reply-To: <13240.980842736@warthog.cambridge.redhat.com>
David Howells writes:
> Would it not be better to use some sort of atomic add/subtract/clear operation
> rather than a spinlock? (Which would also give you fewer atomic memory access
> cycles).
Please see older threads about this, it has been discussed to death
already (hint: sizeof(atomic_t), sizeof(unsigned long)).
Later,
David S. Miller
davem@redhat.com
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next prev parent reply other threads:[~2001-01-30 8:39 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-01-29 21:23 Rasmus Andersen
2001-01-29 21:30 ` Rik van Riel
2001-01-29 21:43 ` Rasmus Andersen
2001-01-29 21:47 ` Rik van Riel
2001-01-30 8:18 ` David Howells
2001-01-30 8:31 ` Rasmus Andersen
2001-01-30 14:32 ` Mark Hahn
2001-01-30 15:30 ` Eric W. Biederman
2001-01-30 8:39 ` David S. Miller [this message]
2001-01-30 11:17 ` Chris Wedgwood
2001-01-30 11:23 ` Rik van Riel
2001-01-30 11:38 ` Rasmus Andersen
2001-02-13 3:15 ` george anzinger
2001-02-13 2:05 ` Marcelo Tosatti
2001-02-13 10:08 ` Stephen C. Tweedie
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