From: "David S. Miller" <davem@redhat.com>
To: Andrew Morton <akpm@osdl.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: bh_lru_install
Date: Tue, 27 Jul 2004 16:41:47 -0700 [thread overview]
Message-ID: <20040727164147.39ad7f5c.davem@redhat.com> (raw)
In-Reply-To: <20040727160617.321ce504.akpm@osdl.org>
On Tue, 27 Jul 2004 16:06:17 -0700
Andrew Morton <akpm@osdl.org> wrote:
> But I don't recall seeing bh_lru_install() standing out on profiles. I
> expect that when the system is working hard we're averaging nearly zero
> cache misses in that copy. Do you really think it is worth optimising?
On a full kernel build after a fresh boot, that memcpy() executes
approximately 400K times on my sparc64 boxes.
next prev parent reply other threads:[~2004-07-27 23:43 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-07-24 0:03 bh_lru_install David S. Miller
2004-07-27 23:06 ` bh_lru_install Andrew Morton
2004-07-27 23:41 ` David S. Miller [this message]
2004-07-28 0:15 ` bh_lru_install David S. Miller
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