[Patch 04/29] GRU - handle blades without memory

[steiner]

From: Jack Steiner <steiner@xxxxxxx>

Do not use alloc_pages_exact_node() to allocate GRU tables. If
a blade has no local memory, nid will be -1. Use alloc_pages_node()
instead.


Signed-off-by: Jack Steiner <steiner@xxxxxxx>


---
 drivers/misc/sgi-gru/grufile.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Index: linux/drivers/misc/sgi-gru/grufile.c
===================================================================
--- linux.orig/drivers/misc/sgi-gru/grufile.c	2009-11-20 09:32:26.000000000 -0600
+++ linux/drivers/misc/sgi-gru/grufile.c	2009-11-20 09:32:28.000000000 -0600
@@ -266,8 +266,8 @@ static int gru_init_tables(unsigned long
 	max_user_dsr_bytes = GRU_NUM_DSR_BYTES;
 	for_each_possible_blade(bid) {
 		pnode = uv_blade_to_pnode(bid);
-		nid = uv_blade_to_memory_nid(bid);
-		page = alloc_pages_exact_node(nid, GFP_KERNEL, order);
+		nid = uv_blade_to_memory_nid(bid);/* -1 if no memory on blade */
+		page = alloc_pages_node(nid, GFP_KERNEL, order);
 		if (!page)
 			goto fail;
 		gru_base[bid] = page_address(page);

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