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From: Nick Piggin <nickpiggin@yahoo.com.au>
To: Andrew Morton <akpm@osdl.org>
Cc: dada1@cosmosbay.com, pj@sgi.com, linux-kernel@vger.kernel.org,
	Simon.Derr@bull.net, ak@suse.de, clameter@sgi.com
Subject: Re: [PATCH] Cpuset: rcu optimization of page alloc hook
Date: Mon, 12 Dec 2005 20:38:59 +1100	[thread overview]
Message-ID: <439D4533.6000708@yahoo.com.au> (raw)
In-Reply-To: <20051212011108.0725524d.akpm@osdl.org>

Andrew Morton wrote:
> Nick Piggin <nickpiggin@yahoo.com.au> wrote:
> 

>>
>>Is it a good idea for all kmem_cache_t? If so, can we move
>>__read_mostly to the type definition?
>>
> 
> 
> Yes, I suppose that's worthwhile.
> 
> We've been shuffling towards removing kmem_cache_t in favour of `struct
> kmem_cache', but this is an argument against doing that.
> 
> If we can work out how:
> 
> void foo()
> {
> 	kmem_cache_t *p;
> }
> 
> That'll barf.
> 

Mmm. And the structure within structure, which Eric points out. I assumed
without grepping that those were mostly confined to slab itself and would
be easy to special case, but it turns out networking makes some use of
them too.

-- 
SUSE Labs, Novell Inc.

Send instant messages to your online friends http://au.messenger.yahoo.com 

  reply	other threads:[~2005-12-12  9:39 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-12-11 23:31 [PATCH] Cpuset: rcu optimization of page alloc hook Paul Jackson
2005-12-12  3:29 ` Andi Kleen
2005-12-12  6:11   ` Paul Jackson
2005-12-12  6:21     ` Andi Kleen
2005-12-12  6:50       ` Paul Jackson
2005-12-12  8:49 ` Eric Dumazet
2005-12-12  8:54   ` Nick Piggin
2005-12-12  9:06     ` Eric Dumazet
2005-12-12  9:11     ` Andrew Morton
2005-12-12  9:38       ` Nick Piggin [this message]
2005-12-12 10:02   ` Paul Jackson
2005-12-12 10:12     ` Andrew Morton
2005-12-13 15:53       ` Paul Jackson
2005-12-13 16:31         ` Eric Dumazet
2005-12-13 17:42           ` Christoph Lameter
2005-12-13 17:56             ` Eric Dumazet
2005-12-13 18:07               ` Christoph Lameter
2005-12-13 21:03               ` Paul Jackson
2005-12-13 21:16                 ` Christoph Lameter
2005-12-13 21:38                 ` Eric Dumazet
2005-12-13 22:23                   ` Paul Jackson
2005-12-13 22:29                     ` Christoph Lameter
2005-12-14  3:54                     ` Paul Jackson
2005-12-14  4:02                       ` Andi Kleen
2005-12-14  4:06                         ` Paul Jackson
2005-12-14  8:06                     ` Eric Dumazet
2005-12-14  8:40                       ` Paul Jackson
2005-12-13 20:08           ` Paul Jackson
2005-12-13 20:29             ` Eric Dumazet
2005-12-13 22:35               ` Paul Jackson
2005-12-13 21:44           ` Paul Jackson
2005-12-13 17:37         ` Christoph Lameter

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