linux-kernel - [patch] m32r, mm: set all online nodes in N_NORMAL

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Message-ID: <alpine.DEB.2.00.1104211500250.20201@chino.kir.corp.google.com>
Date:	Thu, 21 Apr 2011 15:01:23 -0700 (PDT)
From:	David Rientjes <rientjes@...gle.com>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	Hirokazu Takata <takata@...ux-m32r.org>
cc:	linux-m32r@...linux-m32r.org, linux-kernel@...r.kernel.org
Subject: [patch] m32r, mm: set all online nodes in N_NORMAL_MEMORY

For m32r, N_NORMAL_MEMORY represents all nodes that have present memory 
since it does not support HIGHMEM.  This patch sets the bit at the time 
the node is initialized.

If N_NORMAL_MEMORY is not accurate, slub may encounter errors since it 
uses this nodemask to setup per-cache kmem_cache_node data structures.

Signed-off-by: David Rientjes <rientjes@...gle.com>
---
 arch/m32r/mm/discontig.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/arch/m32r/mm/discontig.c b/arch/m32r/mm/discontig.c
--- a/arch/m32r/mm/discontig.c
+++ b/arch/m32r/mm/discontig.c
@@ -149,6 +149,7 @@ unsigned long __init zone_sizes_init(void)
 		zholes_size[ZONE_DMA] = mp->holes;
 		holes += zholes_size[ZONE_DMA];
 
+		node_set_state(nid, N_NORMAL_MEMORY);
 		free_area_init_node(nid, zones_size, start_pfn, zholes_size);
 	}
 
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