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-rw-r--r--include/asm-x86/summit/irq_vectors_limits.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/include/asm-x86/summit/irq_vectors_limits.h b/include/asm-x86/summit/irq_vectors_limits.h
new file mode 100644
index 000000000000..890ce3f5e09a
--- /dev/null
+++ b/include/asm-x86/summit/irq_vectors_limits.h
@@ -0,0 +1,14 @@
+#ifndef _ASM_IRQ_VECTORS_LIMITS_H
+#define _ASM_IRQ_VECTORS_LIMITS_H
+
+/*
+ * For Summit or generic (i.e. installer) kernels, we have lots of I/O APICs,
+ * even with uni-proc kernels, so use a big array.
+ *
+ * This value should be the same in both the generic and summit subarches.
+ * Change one, change 'em both.
+ */
+#define NR_IRQS 224
+#define NR_IRQ_VECTORS 1024
+
+#endif /* _ASM_IRQ_VECTORS_LIMITS_H */
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