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From: James Bottomley <James.Bottomley@HansenPartnership.com>
To: David Rientjes <rientjes@google.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
	Pekka Enberg <penberg@kernel.org>,
	Christoph Lameter <cl@linux.com>, Michal Hocko <mhocko@suse.cz>,
	Andrew Morton <akpm@linux-foundation.org>,
	Hugh Dickins <hughd@google.com>,
	linux-mm@kvack.org, LKML <linux-kernel@vger.kernel.org>,
	linux-parisc@vger.kernel.org, Ingo Molnar <mingo@elte.hu>,
	x86 maintainers <x86@kernel.org>
Subject: Re: [PATCH v3] mm: make expand_downwards symmetrical to expand_upwards
Date: Wed, 20 Apr 2011 17:15:18 -0500	[thread overview]
Message-ID: <1303337718.2587.51.camel@mulgrave.site> (raw)
In-Reply-To: <alpine.DEB.2.00.1104201410350.31768@chino.kir.corp.google.com>

On Wed, 2011-04-20 at 14:18 -0700, David Rientjes wrote:
> This is probably because the parisc's DISCONTIGMEM memory ranges don't 
> have bits set in N_NORMAL_MEMORY.
> 
> diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c
> --- a/arch/parisc/mm/init.c
> +++ b/arch/parisc/mm/init.c
> @@ -266,8 +266,10 @@ static void __init setup_bootmem(void)
>  	}
>  	memset(pfnnid_map, 0xff, sizeof(pfnnid_map));
>  
> -	for (i = 0; i < npmem_ranges; i++)
> +	for (i = 0; i < npmem_ranges; i++) {
> +		node_set_state(i, N_NORMAL_MEMORY);
>  		node_set_online(i);
> +	}
>  #endif

Yes, this seems to be the missing piece that gets it to boot.  We really
need this in generic code, unless someone wants to run through all the
other arch's doing it ...

James


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  reply	other threads:[~2011-04-20 22:15 UTC|newest]

Thread overview: 90+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-04-15 13:51 [PATCH] mm: make expand_downwards symmetrical to expand_upwards Michal Hocko
2011-04-18  3:00 ` Hugh Dickins
2011-04-18 10:01   ` [PATCH v2] " Michal Hocko
2011-04-18 20:56     ` Andrew Morton
     [not found]       ` <20110419091022.GA21689@tiehlicka.suse.cz>
2011-04-19 11:09         ` [PATCH followup] mm: get rid of CONFIG_STACK_GROWSUP || CONFIG_IA64 Michal Hocko
2011-04-20  0:33           ` KOSAKI Motohiro
2011-04-20  6:59             ` Michal Hocko
2011-04-20  7:08               ` KOSAKI Motohiro
2011-04-26  7:59           ` Michal Hocko
2011-04-19 11:10       ` [PATCH v3] mm: make expand_downwards symmetrical to expand_upwards Michal Hocko
2011-04-19 15:46         ` James Bottomley
2011-04-19 16:06           ` [PATCH v3] mm: make expand_downwards symmetrical to John David Anglin
2011-04-19 16:59             ` James Bottomley
2011-04-19 16:07           ` [PATCH v3] mm: make expand_downwards symmetrical to expand_upwards James Bottomley
2011-04-19 17:05           ` Pekka Enberg
2011-04-19 17:11             ` James Bottomley
2011-04-19 17:15               ` Christoph Lameter
2011-04-19 17:48                 ` James Bottomley
2011-04-19 18:10                   ` Christoph Lameter
2011-04-19 18:20                     ` James Bottomley
2011-04-19 18:35                       ` Christoph Lameter
2011-04-19 19:49                         ` James Bottomley
2011-04-19 20:56                           ` Christoph Lameter
2011-04-19 21:21                             ` James Bottomley
2011-04-19 21:39                               ` Christoph Lameter
2011-04-19 21:48                                 ` James Bottomley
2011-04-19 21:58                                   ` Christoph Lameter
2011-04-20  1:23                                     ` KOSAKI Motohiro
2011-04-20  2:48                                       ` James Bottomley
2011-04-20  2:57                                         ` KOSAKI Motohiro
2011-04-20 13:50                                           ` Christoph Lameter
2011-04-21 13:32                                             ` Tejun Heo
2011-04-20  5:53                                       ` Pekka Enberg
2011-04-20  7:15                                         ` KOSAKI Motohiro
2011-04-20  7:34                                           ` Pekka Enberg
2011-04-20  8:40                                             ` KOSAKI Motohiro
2011-04-20 16:32                                               ` James Bottomley
2011-04-20 16:50                                                 ` Christoph Lameter
2011-04-20 18:09                                                   ` James Bottomley
2011-04-20 21:18                                                 ` David Rientjes
2011-04-20 22:15                                                   ` James Bottomley [this message]
2011-04-20 23:12                                                     ` David Rientjes
2011-04-21 13:16                                                       ` KOSAKI Motohiro
2011-04-21 16:37                                                         ` James Bottomley
2011-04-21 18:33                                                           ` Christoph Lameter
2011-04-21 18:45                                                             ` Dave Hansen
2011-04-22 18:19                                                               ` James Bottomley
2011-04-22 20:24                                                                 ` Dave Hansen
2011-04-22 20:35                                                                   ` James Bottomley
2011-04-22 21:33                                                               ` James Bottomley
2011-04-23 18:34                                                                 ` [PATCH] convert parisc to sparsemem (was Re: [PATCH v3] mm: make expand_downwards symmetrical to expand_upwards) James Bottomley
2011-04-24 16:27                                                                   ` John David Anglin
2011-04-26  0:32                                                                   ` KOSAKI Motohiro
2011-04-27 16:36                                                                   ` Dave Hansen
2011-04-21 20:05                                                             ` [PATCH v3] mm: make expand_downwards symmetrical to expand_upwards James Bottomley
2011-04-21 21:07                                                               ` Christoph Lameter
2011-04-21 21:22                                                                 ` James Bottomley
2011-04-21 19:33                                                         ` David Rientjes
2011-04-22  0:34                                                           ` KOSAKI Motohiro
2011-04-21 13:03                                                   ` KOSAKI Motohiro
2011-04-21 19:38                                                     ` David Rientjes
2011-04-21 20:02                                                       ` Christoph Lameter
2011-04-21 21:19                                                         ` David Rientjes
2011-04-21 21:24                                                           ` James Bottomley
2011-04-21 21:34                                                             ` David Rientjes
2011-04-21 21:49                                                               ` James Bottomley
2011-04-21 22:12                                                                 ` David Rientjes
2011-04-22  8:02                                                                   ` Pekka Enberg
2011-04-22 13:49                                                                     ` James Bottomley
2011-04-22 17:00                                                                       ` Pekka Enberg
2011-04-22 17:03                                                                         ` James Bottomley
2011-04-21 21:41                                                           ` [patch] mm: always set nodes with regular memory in N_NORMAL_MEMORY David Rientjes
2011-04-22  0:36                                                             ` KOSAKI Motohiro
2011-04-20 21:05                                               ` [PATCH v3] mm: make expand_downwards symmetrical to expand_upwards David Rientjes
2011-04-20 11:20                                             ` Matthew Wilcox
2011-04-20 11:28                                               ` Pekka Enberg
2011-04-20 14:15                                                 ` James Bottomley
2011-04-20 14:50                                                   ` Christoph Lameter
2011-04-20 15:02                                                     ` James Bottomley
2011-04-20 15:22                                                       ` Christoph Lameter
2011-04-20 19:25                                                         ` Matthew Wilcox
2011-04-20 21:42                                                         ` David Rientjes
2011-04-21 16:06                                                           ` James Bottomley
2011-04-21 22:19                                                             ` David Rientjes
2011-04-21 22:31                                                               ` James Bottomley
2011-04-20 13:58                                               ` Christoph Lameter
2011-04-20 21:34                                               ` David Rientjes
2011-04-20 14:07                                             ` Christoph Lameter
2011-04-20  2:33                                     ` James Bottomley
2011-04-19 17:12             ` Christoph Lameter

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