Re: [PATCH] Cpuset: rcu optimization of page alloc hook

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Andrew Morton wrote:
Nick Piggin <[email protected]> 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.

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