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powerpc/mm: Mark Memory Resources as busy 

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>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Nathan Fontenot 2013-08-19 21:52:20 -05:00 committed by Benjamin Herrenschmidt
parent 9d56851e69
commit f748edafac
1 changed files with 1 additions and 1 deletions
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2
arch/powerpc/mm/mem.c
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@ -514,7 +514,7 @@ 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);
}
}