[PATCH 2/8] Mark powerpc memory resources as busy

Nathan Fontenot nfont at linux.vnet.ibm.com
Thu Jul 25 04:36:34 EST 2013


Memory I/O resources need to be marked as busy or else we cannot remove
them when doing memory hot remove.

Signed-off-by: Nathan Fontenot <nfont at linux.vnet.ibm.com>
---
 arch/powerpc/mm/mem.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Index: linux/arch/powerpc/mm/mem.c
===================================================================
--- linux.orig/arch/powerpc/mm/mem.c
+++ linux/arch/powerpc/mm/mem.c
@@ -523,7 +523,7 @@ static int add_system_ram_resources(void
 			res->name = "System RAM";
 			res->start = base;
 			res->end = base + size - 1;
-			res->flags = IORESOURCE_MEM;
+			res->flags = IORESOURCE_MEM | IORESOURCE_BUSY;
 			WARN_ON(request_resource(&iomem_resource, res) < 0);
 		}
 	}



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