1 files changed, 9 insertions, 0 deletions

diff --git a/include/asm-x86/mach-summit/mach_mpspec.h b/include/asm-x86/mach-summit/mach_mpspec.h
new file mode 100644
index 000000000000..bd765523511a
--- /dev/null
+++ b/include/asm-x86/mach-summit/mach_mpspec.h
@@ -0,0 +1,9 @@
+#ifndef __ASM_MACH_MPSPEC_H
+#define __ASM_MACH_MPSPEC_H
+
+#define MAX_IRQ_SOURCES 256
+
+/* Maximum 256 PCI busses, plus 1 ISA bus in each of 4 cabinets. */
+#define MAX_MP_BUSSES 260
+
+#endif /* __ASM_MACH_MPSPEC_H */