From: Pekka Enberg <penberg@cs.helsinki.fi>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
Linux Kernel list <linux-kernel@vger.kernel.org>,
linux-mm <linux-mm@kvack.org>,
mingo@elte.hu
Subject: Re: slab: setup allocators earlier in the boot sequence
Date: Fri, 12 Jun 2009 11:17:28 +0300 [thread overview]
Message-ID: <1244794648.30512.21.camel@penberg-laptop> (raw)
In-Reply-To: <1244792380.7172.77.camel@pasglop>
Hi Ben,
On Fri, 2009-06-12 at 17:39 +1000, Benjamin Herrenschmidt wrote:
> For example, slab_is_available() didn't always exist, and so in the
> early days on powerpc, we used a mem_init_done global that is set form
> mem_init() (not perfect but works in practice). And we still have code
> using that to do the test.
Looking at powerpc arch code, can we get rid of the *_maybe_bootmem()
functions now? Or is slab initialization too late still? FWIW, I think
one simple fix on PPC is to just clear __GFP_NOWAIT in those functions
(all of them seem to be using GFP_KERNEL which is wrong during boot).
Pekka
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next prev parent reply other threads:[~2009-06-12 8:17 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <200906111959.n5BJxFj9021205@hera.kernel.org>
[not found] ` <1244770230.7172.4.camel@pasglop>
[not found] ` <1244779009.7172.52.camel@pasglop>
[not found] ` <1244780756.7172.58.camel@pasglop>
2009-06-12 5:07 ` Benjamin Herrenschmidt
2009-06-12 6:16 ` Pekka J Enberg
2009-06-12 7:34 ` Benjamin Herrenschmidt
2009-06-12 7:39 ` Benjamin Herrenschmidt
2009-06-12 7:47 ` Pekka Enberg
2009-06-12 8:17 ` Pekka Enberg [this message]
2009-06-12 8:47 ` Benjamin Herrenschmidt
2009-06-12 7:45 ` Pekka Enberg
2009-06-12 7:54 ` Nick Piggin
2009-06-12 7:59 ` Pekka Enberg
2009-06-12 8:02 ` Nick Piggin
2009-06-12 8:04 ` Pekka Enberg
2009-06-12 8:20 ` Nick Piggin
2009-06-12 8:44 ` Benjamin Herrenschmidt
2009-06-12 8:49 ` Pekka Enberg
2009-06-12 9:13 ` Nick Piggin
2009-06-12 9:24 ` Benjamin Herrenschmidt
2009-06-12 9:30 ` Nick Piggin
2009-06-12 9:44 ` Benjamin Herrenschmidt
2009-06-12 9:49 ` Nick Piggin
2009-06-12 8:44 ` Benjamin Herrenschmidt
2009-06-12 8:42 ` Benjamin Herrenschmidt
2009-06-12 8:40 ` Benjamin Herrenschmidt
2009-06-12 8:43 ` Pekka Enberg
2009-06-12 8:53 ` Benjamin Herrenschmidt
2009-06-12 9:05 ` Pekka Enberg
2009-06-12 9:14 ` Nick Piggin
2009-06-12 9:07 ` Pekka Enberg
2009-06-12 13:49 ` Christoph Lameter
2009-06-12 13:54 ` Pekka Enberg
2009-06-12 14:02 ` Benjamin Herrenschmidt
2009-06-12 14:04 ` Pekka Enberg
2009-06-12 14:07 ` Christoph Lameter
2009-06-12 14:00 ` Benjamin Herrenschmidt
2009-06-12 13:44 ` Christoph Lameter
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