From: "Stephen C. Tweedie" <sct@redhat.com>
To: Max <max@Linuz.sns.it>
Cc: Linus Torvalds <torvalds@transmeta.com>,
Andrea Arcangeli <andrea@e-mind.com>,
linux-mm@kvack.org
Subject: Re: tiny patch, reduces kernel memory usage (memory_save patch)
Date: Sun, 10 Jan 1999 21:49:07 GMT [thread overview]
Message-ID: <199901102149.VAA01490@dax.scot.redhat.com> (raw)
In-Reply-To: <Pine.LNX.3.96.990110174423.15469A-100000@Linuz.sns.it>
Hi,
On Sun, 10 Jan 1999 18:00:52 +0100 (MET), Max <max@Linuz.sns.it> said:
> I am really sorry to disturb with something that is supposed to be discussed
> in linux-kernel, but looks linux-kernel is terribly lagged, and also my
> original message (sent on Jan 7) got somehow ignored.
> - unsigned int unused;
> - unsigned long map_nr; /* page->map_nr == page - mem_map */
The unused field needs to go. Fine. The map_nr field is needed to
avoid a division when we try to find a page number from a struct page.
--Stephen
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prev parent reply other threads:[~1999-01-10 21:49 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
1999-01-10 17:00 Max
1999-01-10 18:11 ` Andrea Arcangeli
1999-01-10 21:49 ` Stephen C. Tweedie [this message]
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