[PATCH 3/4] PCI: print out suggestion about using pci=realloc

[Yinghai Lu <yinghai@kernel.org>]

let user know they could try if pci=realloc could help.

-v2: update suggestion text.

Suggested-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
---
 drivers/pci/setup-bus.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
index 219722d..e21e1c2 100644
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -1347,6 +1347,9 @@ again:
 		goto enable_and_dump;
 
 	if (tried_times >= pci_try_num) {
+		if (pci_realloc_enable == undefined)
+			printk(KERN_INFO "Some PCI device resources are unassigned, try booting with pci=realloc\n");
+
 		free_list(&fail_head);
 		goto enable_and_dump;
 	}
-- 
1.7.7