Messages in this thread Patch in this message | | | Date | Wed, 24 Jul 2013 13:36:34 -0500 | From | Nathan Fontenot <> | Subject | [PATCH 2/8] Mark powerpc memory resources as busy |
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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@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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