AcoSail/kernel_optimize_test
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gru: handle blades without memory

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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@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jack Steiner 2009-12-15 16:48:03 -08:00 committed by Linus Torvalds
parent b61fc69bb6
commit 9178052fda
1 changed files with 2 additions and 2 deletions
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4
drivers/misc/sgi-gru/grufile.c
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@ -266,8 +266,8 @@ static int gru_init_tables(unsigned long gru_base_paddr, void *gru_base_vaddr)
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);