From: "David S. Miller" <davem@redhat.com>
To: rusty@rustcorp.com.au
Cc: akpm@zip.com.au, torvalds@transmeta.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] __cacheline_aligned_in_smp?
Date: Wed, 15 Jan 2003 23:21:04 -0800 (PST) [thread overview]
Message-ID: <20030115.232104.52604347.davem@redhat.com> (raw)
In-Reply-To: <20030115082444.0CFFA2C123@lists.samba.org>
From: Rusty Russell <rusty@rustcorp.com.au>
Date: Wed, 15 Jan 2003 19:02:20 +1100
> I want alignment on cache line boundary, and I don't want anything
> else in that cacheline.
A "read-mostly" section might be appropriate, then. Of course, you'd
have to split the structure, in that case, and it's not worth it if
there are only a few of these.
Have I finally got it through my thick skull now?
I think so. A read-mostly section would allow us to exploit this
more for other things.
BTW, the tcp_hashinfo struct exists only because the linker could
otherwise legally reorder data section members.
next prev parent reply other threads:[~2003-01-16 7:22 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-01-13 7:24 [PATCH] __cacheline_aligned_in_smp? Rusty Russell
2003-01-13 7:35 ` David S. Miller
2003-01-14 1:10 ` Rusty Russell
2003-01-14 6:32 ` David S. Miller
2003-01-15 8:02 ` Rusty Russell
2003-01-16 7:21 ` David S. Miller [this message]
2003-01-21 14:09 ` Bill Davidsen
2003-01-13 7:45 ` Jeff Garzik
2003-01-14 2:22 ` Rusty Russell
2003-01-13 9:41 ` David Gibson
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