From: Matt Mackall <mpm@selenic.com>
To: Mitchell Blank Jr <mitch@sfgoth.com>
Cc: Andrew Morton <akpm@osdl.org>,
Rusty Russell <rusty@rustcorp.com.au>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] RCU: Reduce size of rcu_head 1 of 2
Date: Fri, 1 Aug 2003 20:43:24 -0500 [thread overview]
Message-ID: <20030802014324.GQ6049@waste.org> (raw)
In-Reply-To: <20030802011644.GG33201@gaz.sfgoth.com>
On Fri, Aug 01, 2003 at 06:16:44PM -0700, Mitchell Blank Jr wrote:
> Andrew Morton wrote:
> > > Gratuitous change to API during stable series BAD BAD BAD. If
> > > you drop this it stays as is until 2.8. The extra arg in
> > > unneccessary, but breaking it is worse.
> >
> > There won't be any out-of-tree users by then.
>
> I must be misunderstanding something. If the point of the patch is to
> shrink "struct rcu_head" (which it seems to do) won't that change
> offsets in all sorts of things like "struct dentry"? I know we
> officially don't care about binary modules but a change like that
> seems pretty gratuitous for such a small gain.
Repeat after me: there is no module ABI.
--
Matt Mackall : http://www.selenic.com : of or relating to the moon
prev parent reply other threads:[~2003-08-02 1:43 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-07-31 18:58 [PATCH] RCU: Reduce size of rcu_head 1 of 2 Dipankar Sarma
2003-07-31 19:06 ` [PATCH] RCU: Reduce size of rcu_head 2 " Dipankar Sarma
2003-07-31 20:49 ` [PATCH] RCU: Reduce size of rcu_head 1 " Andrew Morton
2003-07-31 21:31 ` Dipankar Sarma
2003-07-31 21:25 ` Andrew Morton
2003-08-01 21:16 ` Rusty Russell
2003-08-01 23:00 ` Andrew Morton
2003-08-02 0:32 ` Rusty Russell
2003-08-02 1:19 ` Greg KH
2003-08-02 1:49 ` Rusty Russell
2003-08-02 13:15 ` Alan Cox
2003-08-08 2:21 ` Rusty Russell
2003-08-18 14:16 ` Andrea Arcangeli
2003-08-25 3:35 ` Rusty Russell
2003-08-02 1:16 ` Mitchell Blank Jr
2003-08-02 1:43 ` Matt Mackall [this message]
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