From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Christoph Lameter <cl@linux-foundation.org>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>,
Linus Torvalds <torvalds@linux-foundation.org>,
Linux Kernel list <linux-kernel@vger.kernel.org>,
linux-mm <linux-mm@kvack.org>,
mingo@elte.hu, akpm@linux-foundation.org, npiggin@suse.de
Subject: Re: slab: setup allocators earlier in the boot sequence
Date: Sat, 13 Jun 2009 00:00:59 +1000 [thread overview]
Message-ID: <1244815259.7172.167.camel@pasglop> (raw)
In-Reply-To: <alpine.DEB.1.10.0906120944540.15809@gentwo.org>
On Fri, 2009-06-12 at 09:49 -0400, Christoph Lameter wrote:
> On Fri, 12 Jun 2009, Pekka Enberg wrote:
>
> > So I am sending the GFP_NOWAIT conversion for boot code even though you
> > didn't seem to like it (but didn't explicitly NAK) as it fixes problems
> > on x86.
>
> The use GFP_NOWAIT means that the caller sites are still special cased for
> an early boot situation. After bootstrap is complete the sites may use
> GFP_KERNEL instead. Bad.
Amen :-)
Ben.
WARNING: multiple messages have this Message-ID (diff)
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Christoph Lameter <cl@linux-foundation.org>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>,
Linus Torvalds <torvalds@linux-foundation.org>,
Linux Kernel list <linux-kernel@vger.kernel.org>,
linux-mm <linux-mm@kvack.org>,
mingo@elte.hu, akpm@linux-foundation.org, npiggin@suse.de
Subject: Re: slab: setup allocators earlier in the boot sequence
Date: Sat, 13 Jun 2009 00:00:59 +1000 [thread overview]
Message-ID: <1244815259.7172.167.camel@pasglop> (raw)
In-Reply-To: <alpine.DEB.1.10.0906120944540.15809@gentwo.org>
On Fri, 2009-06-12 at 09:49 -0400, Christoph Lameter wrote:
> On Fri, 12 Jun 2009, Pekka Enberg wrote:
>
> > So I am sending the GFP_NOWAIT conversion for boot code even though you
> > didn't seem to like it (but didn't explicitly NAK) as it fixes problems
> > on x86.
>
> The use GFP_NOWAIT means that the caller sites are still special cased for
> an early boot situation. After bootstrap is complete the sites may use
> GFP_KERNEL instead. Bad.
Amen :-)
Ben.
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next prev parent reply other threads:[~2009-06-12 14:01 UTC|newest]
Thread overview: 74+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <200906111959.n5BJxFj9021205@hera.kernel.org>
2009-06-12 1:29 ` slab: setup allocators earlier in the boot sequence Benjamin Herrenschmidt
2009-06-12 1:30 ` Benjamin Herrenschmidt
2009-06-12 3:56 ` Benjamin Herrenschmidt
2009-06-12 4:25 ` Benjamin Herrenschmidt
2009-06-12 5:07 ` Benjamin Herrenschmidt
2009-06-12 5:07 ` Benjamin Herrenschmidt
2009-06-12 6:16 ` Pekka J Enberg
2009-06-12 6:16 ` Pekka J Enberg
2009-06-12 7:34 ` Benjamin Herrenschmidt
2009-06-12 7:34 ` Benjamin Herrenschmidt
2009-06-12 7:39 ` Benjamin Herrenschmidt
2009-06-12 7:39 ` Benjamin Herrenschmidt
2009-06-12 7:47 ` Pekka Enberg
2009-06-12 7:47 ` Pekka Enberg
2009-06-12 8:17 ` Pekka Enberg
2009-06-12 8:17 ` Pekka Enberg
2009-06-12 8:47 ` Benjamin Herrenschmidt
2009-06-12 8:47 ` Benjamin Herrenschmidt
2009-06-12 7:45 ` Pekka Enberg
2009-06-12 7:45 ` Pekka Enberg
2009-06-12 7:54 ` Nick Piggin
2009-06-12 7:54 ` Nick Piggin
2009-06-12 7:59 ` Pekka Enberg
2009-06-12 7:59 ` Pekka Enberg
2009-06-12 8:02 ` Nick Piggin
2009-06-12 8:02 ` Nick Piggin
2009-06-12 8:04 ` Pekka Enberg
2009-06-12 8:04 ` Pekka Enberg
2009-06-12 8:20 ` Nick Piggin
2009-06-12 8:20 ` Nick Piggin
2009-06-12 8:44 ` Benjamin Herrenschmidt
2009-06-12 8:44 ` Benjamin Herrenschmidt
2009-06-12 8:49 ` Pekka Enberg
2009-06-12 8:49 ` Pekka Enberg
2009-06-12 9:13 ` Nick Piggin
2009-06-12 9:13 ` Nick Piggin
2009-06-12 9:24 ` Benjamin Herrenschmidt
2009-06-12 9:24 ` Benjamin Herrenschmidt
2009-06-12 9:30 ` Nick Piggin
2009-06-12 9:30 ` Nick Piggin
2009-06-12 9:44 ` Benjamin Herrenschmidt
2009-06-12 9:44 ` Benjamin Herrenschmidt
2009-06-12 9:49 ` Nick Piggin
2009-06-12 9:49 ` Nick Piggin
2009-06-12 8:44 ` Benjamin Herrenschmidt
2009-06-12 8:44 ` Benjamin Herrenschmidt
2009-06-12 8:42 ` Benjamin Herrenschmidt
2009-06-12 8:42 ` Benjamin Herrenschmidt
2009-06-12 8:40 ` Benjamin Herrenschmidt
2009-06-12 8:40 ` Benjamin Herrenschmidt
2009-06-12 8:43 ` Pekka Enberg
2009-06-12 8:43 ` Pekka Enberg
2009-06-12 8:53 ` Benjamin Herrenschmidt
2009-06-12 8:53 ` Benjamin Herrenschmidt
2009-06-12 9:05 ` Pekka Enberg
2009-06-12 9:05 ` Pekka Enberg
2009-06-12 9:14 ` Nick Piggin
2009-06-12 9:14 ` Nick Piggin
2009-06-12 9:07 ` Pekka Enberg
2009-06-12 9:07 ` Pekka Enberg
2009-06-12 13:49 ` Christoph Lameter
2009-06-12 13:49 ` Christoph Lameter
2009-06-12 13:54 ` Pekka Enberg
2009-06-12 13:54 ` Pekka Enberg
2009-06-12 14:02 ` Benjamin Herrenschmidt
2009-06-12 14:02 ` Benjamin Herrenschmidt
2009-06-12 14:04 ` Pekka Enberg
2009-06-12 14:04 ` Pekka Enberg
2009-06-12 14:07 ` Christoph Lameter
2009-06-12 14:07 ` Christoph Lameter
2009-06-12 14:00 ` Benjamin Herrenschmidt [this message]
2009-06-12 14:00 ` Benjamin Herrenschmidt
2009-06-12 13:44 ` Christoph Lameter
2009-06-12 13:44 ` Christoph Lameter
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