From: Christoph Lameter <clameter@engr.sgi.com>
To: Marcelo <marcelo.tosatti@cyclades.com>
Cc: linux-mm@kvack.org, akpm@osdl.org, dgc@sgi.com,
dipankar@in.ibm.com, mbligh@mbligh.org, manfred@colorfullife.com
Subject: Re: [PATCH] per-page SLAB freeing (only dcache for now)
Date: Mon, 3 Oct 2005 08:24:43 -0700 (PDT) [thread overview]
Message-ID: <Pine.LNX.4.62.0510030823420.7812@schroedinger.engr.sgi.com> (raw)
In-Reply-To: <20051001215254.GA19736@xeon.cnet>
On Sat, 1 Oct 2005, Marcelo wrote:
> I thought about having a mini-API for this such as "struct slab_reclaim_ops"
> implemented by each reclaimable cache, invoked by a generic SLAB function.
>
> Problem is that locking involved into looking at the SLAB elements is
> cache specific (eg dcache_lock for the dcache, inode_lock for the icache,
> and so on), so making a generic function seems pretty tricky, ie. you
> need cache specific information in the generic function which is not so
> easily "generifiable", if there's such a word.
The locking could be done by the cache specific free function. If it
cannot lock it can simply indicate tha the entry is not freeable.
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next prev parent reply other threads:[~2005-10-03 15:24 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-09-30 19:37 Marcelo
2005-10-01 2:46 ` Christoph Lameter
2005-10-01 21:52 ` Marcelo
2005-10-03 15:24 ` Christoph Lameter [this message]
2005-10-03 20:37 ` Manfred Spraul
2005-10-03 22:17 ` Marcelo Tosatti
2005-10-04 17:04 ` Manfred Spraul
2005-10-06 16:01 ` Marcelo Tosatti
2005-10-22 1:30 ` Marcelo Tosatti
2005-10-22 6:31 ` Andrew Morton
2005-10-22 9:21 ` Arjan van de Ven
2005-10-22 17:08 ` Christoph Lameter
2005-10-22 17:13 ` ia64 page size (was Re: [PATCH] per-page SLAB freeing (only dcache for now)) Arjan van de Ven
2005-10-22 18:16 ` [PATCH] per-page SLAB freeing (only dcache for now) Manfred Spraul
2005-10-23 18:41 ` Marcelo Tosatti
2005-10-23 16:30 ` Marcelo Tosatti
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