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authorJack Steiner <steiner@sgi.com>2009-12-15 16:48:01 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-16 07:20:14 -0800
commit827f02febfcdfb03bc056bf479a13b5bcb35dfd7 (patch)
tree770bab4d08009d7a1ab8b1dd8906d01af7414bf8 /drivers/misc/sgi-gru
parent57e6d258b1e41cd7ceb26fa43ce116939d8440b1 (diff)
downloadop-kernel-dev-827f02febfcdfb03bc056bf479a13b5bcb35dfd7.zip
op-kernel-dev-827f02febfcdfb03bc056bf479a13b5bcb35dfd7.tar.gz
gru: initial GRU based on blade topology
Change the GRU initialization code to initialize based on blade topology instead of node topology. The result is the same but blade-based initialization is cleaner. Signed-off-by: Jack Steiner <steiner@sgi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/misc/sgi-gru')
-rw-r--r--drivers/misc/sgi-gru/grufile.c12
1 files changed, 5 insertions, 7 deletions
diff --git a/drivers/misc/sgi-gru/grufile.c b/drivers/misc/sgi-gru/grufile.c
index ce5eda9..6318ee5 100644
--- a/drivers/misc/sgi-gru/grufile.c
+++ b/drivers/misc/sgi-gru/grufile.c
@@ -264,11 +264,9 @@ static int gru_init_tables(unsigned long gru_base_paddr, void *gru_base_vaddr)
max_user_cbrs = GRU_NUM_CB;
max_user_dsr_bytes = GRU_NUM_DSR_BYTES;
- for_each_online_node(nid) {
- bid = uv_node_to_blade_id(nid);
- pnode = uv_node_to_pnode(nid);
- if (bid < 0 || gru_base[bid])
- continue;
+ 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);
if (!page)
goto fail;
@@ -298,8 +296,8 @@ static int gru_init_tables(unsigned long gru_base_paddr, void *gru_base_vaddr)
return 0;
fail:
- for (nid--; nid >= 0; nid--)
- free_pages((unsigned long)gru_base[nid], order);
+ for (bid--; bid >= 0; bid--)
+ free_pages((unsigned long)gru_base[bid], order);
return -ENOMEM;
}
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