From: Nathan Fontenot <nfont@linux.vnet.ibm.com>
To: linuxppc-dev@lists.ozlabs.org
Subject: [PATCH v2 1/2] Mark Memory Resources as busy
Date: Mon, 19 Aug 2013 21:52:20 -0500 [thread overview]
Message-ID: <5212D9E4.40500@linux.vnet.ibm.com> (raw)
In-Reply-To: <5212D989.8090103@linux.vnet.ibm.com>
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
@@ -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);
}
}
next prev parent reply other threads:[~2013-08-20 2:52 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-20 2:50 [PATCH v2] Correct Memory Hotplug for Power Nathan Fontenot
2013-08-20 2:52 ` Nathan Fontenot [this message]
2013-08-20 2:53 ` [PATCH v2 2/2] Register bootmem pages Nathan Fontenot
2013-08-27 3:44 ` Benjamin Herrenschmidt
2013-08-27 7:39 ` Benjamin Herrenschmidt
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