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gru: handle blades without memory
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>
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@ -266,8 +266,8 @@ static int gru_init_tables(unsigned long gru_base_paddr, void *gru_base_vaddr)
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max_user_dsr_bytes = GRU_NUM_DSR_BYTES;
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for_each_possible_blade(bid) {
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pnode = uv_blade_to_pnode(bid);
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nid = uv_blade_to_memory_nid(bid);
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page = alloc_pages_exact_node(nid, GFP_KERNEL, order);
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nid = uv_blade_to_memory_nid(bid);/* -1 if no memory on blade */
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page = alloc_pages_node(nid, GFP_KERNEL, order);
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if (!page)
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goto fail;
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gru_base[bid] = page_address(page);
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